Remove dead code from BLE layer class (#33171)

* Remove OnChipBleConnectReceived from BleLayer class

* Remove HandleReadReceived from BleLayer class

* Restyled by clang-format

---------

Co-authored-by: Restyled.io <commits@restyled.io>
diff --git a/src/ble/BleLayer.h b/src/ble/BleLayer.h
index d9480cb..bad3ab3 100644
--- a/src/ble/BleLayer.h
+++ b/src/ble/BleLayer.h
@@ -229,9 +229,6 @@
     void * mAppState                 = nullptr;
     BleLayerDelegate * mBleTransport = nullptr;
 
-    typedef void (*BleConnectionReceivedFunct)(BLEEndPoint * newEndPoint);
-    BleConnectionReceivedFunct OnChipBleConnectReceived;
-
     // Public functions:
     BleLayer();
 
@@ -302,10 +299,6 @@
     /// Call when an outstanding GATT indication receives a positive receipt confirmation.
     bool HandleIndicationConfirmation(BLE_CONNECTION_OBJECT connObj, const ChipBleUUID * svcId, const ChipBleUUID * charId);
 
-    /// Call when a GATT read request is received.
-    bool HandleReadReceived(BLE_CONNECTION_OBJECT connObj, BLE_READ_REQUEST_CONTEXT requestContext, const ChipBleUUID * svcId,
-                            const ChipBleUUID * charId);
-
     /**< Platform must call this function when any previous operation undertaken by the BleLayer via BleAdapter
      *   fails, such as a characteristic write request or subscribe attempt, or when a BLE connection is closed.
      *
diff --git a/src/platform/ESP32/BLEManagerImpl.h b/src/platform/ESP32/BLEManagerImpl.h
index 9364ead..3f466fc 100644
--- a/src/platform/ESP32/BLEManagerImpl.h
+++ b/src/platform/ESP32/BLEManagerImpl.h
@@ -79,8 +79,6 @@
 namespace Internal {
 
 #if CONFIG_ENABLE_ESP32_BLE_CONTROLLER
-void HandleIncomingBleConnection(Ble::BLEEndPoint * bleEP);
-
 enum class BleScanState : uint8_t
 {
     kNotScanning,
diff --git a/src/platform/ESP32/bluedroid/BLEManagerImpl.cpp b/src/platform/ESP32/bluedroid/BLEManagerImpl.cpp
index e5d9077..72d738d 100644
--- a/src/platform/ESP32/bluedroid/BLEManagerImpl.cpp
+++ b/src/platform/ESP32/bluedroid/BLEManagerImpl.cpp
@@ -220,8 +220,6 @@
 #if CONFIG_ENABLE_ESP32_BLE_CONTROLLER
     mFlags.ClearAll().Set(Flags::kAdvertisingEnabled, CHIP_DEVICE_CONFIG_CHIPOBLE_ENABLE_ADVERTISING_AUTOSTART && !mIsCentral);
     mFlags.Set(Flags::kFastAdvertisingEnabled, !mIsCentral);
-    OnChipBleConnectReceived = HandleIncomingBleConnection;
-
 #else
     mFlags.ClearAll().Set(Flags::kAdvertisingEnabled, CHIP_DEVICE_CONFIG_CHIPOBLE_ENABLE_ADVERTISING_AUTOSTART);
     mFlags.Set(Flags::kFastAdvertisingEnabled, true);
@@ -741,11 +739,6 @@
         ChipLogError(Ble, "Failed to connect to rc=%d", rc);
     }
 }
-
-void HandleIncomingBleConnection(BLEEndPoint * bleEP)
-{
-    ChipLogProgress(DeviceLayer, "CHIPoBLE connection received");
-}
 #endif
 
 bool BLEManagerImpl::SubscribeCharacteristic(BLE_CONNECTION_OBJECT conId, const ChipBleUUID * svcId, const ChipBleUUID * charId)
diff --git a/src/platform/ESP32/nimble/BLEManagerImpl.cpp b/src/platform/ESP32/nimble/BLEManagerImpl.cpp
index 67b5f9b..a69bc16 100644
--- a/src/platform/ESP32/nimble/BLEManagerImpl.cpp
+++ b/src/platform/ESP32/nimble/BLEManagerImpl.cpp
@@ -200,11 +200,6 @@
         ChipLogError(Ble, "Failed to connect to rc=%d", rc);
     }
 }
-
-void HandleIncomingBleConnection(BLEEndPoint * bleEP)
-{
-    ChipLogProgress(DeviceLayer, "CHIPoBLE connection received");
-}
 #endif
 
 CHIP_ERROR BLEManagerImpl::_Init()
@@ -237,12 +232,11 @@
 #if CONFIG_ENABLE_ESP32_BLE_CONTROLLER
     mFlags.ClearAll().Set(Flags::kAdvertisingEnabled, CHIP_DEVICE_CONFIG_CHIPOBLE_ENABLE_ADVERTISING_AUTOSTART && !mIsCentral);
     mFlags.Set(Flags::kFastAdvertisingEnabled, !mIsCentral);
-    OnChipBleConnectReceived = HandleIncomingBleConnection;
 #else
     mFlags.ClearAll().Set(Flags::kAdvertisingEnabled, CHIP_DEVICE_CONFIG_CHIPOBLE_ENABLE_ADVERTISING_AUTOSTART);
     mFlags.Set(Flags::kFastAdvertisingEnabled, true);
-
 #endif
+
     mNumGAPCons = 0;
     memset(reinterpret_cast<void *>(mCons), 0, sizeof(mCons));
     mServiceMode = ConnectivityManager::kCHIPoBLEServiceMode_Enabled;
@@ -266,10 +260,6 @@
     mFlags.ClearAll().Set(Flags::kGATTServiceStarted);
     mServiceMode = ConnectivityManager::kCHIPoBLEServiceMode_Disabled;
 
-#if CONFIG_ENABLE_ESP32_BLE_CONTROLLER
-    OnChipBleConnectReceived = nullptr;
-#endif // CONFIG_ENABLE_ESP32_BLE_CONTROLLER
-
     PlatformMgr().ScheduleWork(DriveBLEState, 0);
 }
 
diff --git a/src/platform/Linux/BLEManagerImpl.cpp b/src/platform/Linux/BLEManagerImpl.cpp
index d9025bd..a5bd19f 100644
--- a/src/platform/Linux/BLEManagerImpl.cpp
+++ b/src/platform/Linux/BLEManagerImpl.cpp
@@ -81,11 +81,6 @@
 
 BLEManagerImpl BLEManagerImpl::sInstance;
 
-void HandleIncomingBleConnection(BLEEndPoint * bleEP)
-{
-    ChipLogProgress(DeviceLayer, "CHIPoBluez con rcvd");
-}
-
 CHIP_ERROR BLEManagerImpl::_Init()
 {
     CHIP_ERROR err;
@@ -99,8 +94,6 @@
 
     memset(mDeviceName, 0, sizeof(mDeviceName));
 
-    OnChipBleConnectReceived = HandleIncomingBleConnection;
-
     DeviceLayer::SystemLayer().ScheduleLambda([this] { DriveBLEState(); });
 
 exit:
diff --git a/src/platform/Linux/BLEManagerImpl.h b/src/platform/Linux/BLEManagerImpl.h
index e3f3e41..200c987 100644
--- a/src/platform/Linux/BLEManagerImpl.h
+++ b/src/platform/Linux/BLEManagerImpl.h
@@ -39,8 +39,6 @@
 namespace DeviceLayer {
 namespace Internal {
 
-void HandleIncomingBleConnection(Ble::BLEEndPoint * bleEP);
-
 enum class BleScanState : uint8_t
 {
     kNotScanning,
diff --git a/src/platform/cc13xx_26xx/BLEManagerImpl.cpp b/src/platform/cc13xx_26xx/BLEManagerImpl.cpp
index e733184..e8bb817 100644
--- a/src/platform/cc13xx_26xx/BLEManagerImpl.cpp
+++ b/src/platform/cc13xx_26xx/BLEManagerImpl.cpp
@@ -118,8 +118,7 @@
     mFlags.ClearAll().Set(Flags::kAdvertisingEnabled, CHIP_DEVICE_CONFIG_CHIPOBLE_ENABLE_ADVERTISING_AUTOSTART);
     mFlags.Set(Flags::kFastAdvertisingEnabled, true);
 
-    mServiceMode             = ConnectivityManager::kCHIPoBLEServiceMode_Enabled;
-    OnChipBleConnectReceived = HandleIncomingBleConnection;
+    mServiceMode = ConnectivityManager::kCHIPoBLEServiceMode_Enabled;
 
     err = CreateEventHandler();
     return err;
@@ -367,11 +366,6 @@
     return false;
 }
 
-void BLEManagerImpl::HandleIncomingBleConnection(BLEEndPoint * bleEP)
-{
-    BLEMGR_LOG("BLEMGR: HandleIncomingBleConnection");
-}
-
 // ===== Helper Members that implement the Low level BLE Stack behavior.
 
 /*********************************************************************
diff --git a/src/platform/cc13xx_26xx/cc13x4_26x4/BLEManagerImpl.h b/src/platform/cc13xx_26xx/cc13x4_26x4/BLEManagerImpl.h
index b4cf4e2..1651293 100644
--- a/src/platform/cc13xx_26xx/cc13x4_26x4/BLEManagerImpl.h
+++ b/src/platform/cc13xx_26xx/cc13x4_26x4/BLEManagerImpl.h
@@ -317,8 +317,6 @@
     void ClearPendingBLEParamUpdate(uint16_t connHandle);
     void UpdateBLERPA(void);
 
-    static void HandleIncomingBleConnection(Ble::BLEEndPoint * bleEP);
-
     /* Static helper function */
     static void EventHandler(void * arg);
     static CHIP_ERROR DriveBLEState(void);
diff --git a/src/platform/webos/BLEManagerImpl.cpp b/src/platform/webos/BLEManagerImpl.cpp
index 6d9726c..786ded0 100644
--- a/src/platform/webos/BLEManagerImpl.cpp
+++ b/src/platform/webos/BLEManagerImpl.cpp
@@ -68,11 +68,6 @@
 
 BLEManagerImpl BLEManagerImpl::sInstance;
 
-void HandleIncomingBleConnection(BLEEndPoint * bleEP)
-{
-    ChipLogProgress(DeviceLayer, "con rcvd");
-}
-
 void BLEManagerImpl::InitConnectionData()
 {
     /* Initialize Hashmap */
@@ -115,8 +110,6 @@
 
     memset(mDeviceName, 0, sizeof(mDeviceName));
 
-    OnChipBleConnectReceived = HandleIncomingBleConnection;
-
     ret = MainLoop::Instance().Init(_BleInitialize);
     VerifyOrExit(ret != false, err = CHIP_ERROR_INTERNAL);
 
diff --git a/src/platform/webos/BLEManagerImpl.h b/src/platform/webos/BLEManagerImpl.h
index 7336f95..2bd4e6b 100644
--- a/src/platform/webos/BLEManagerImpl.h
+++ b/src/platform/webos/BLEManagerImpl.h
@@ -37,8 +37,6 @@
 namespace DeviceLayer {
 namespace Internal {
 
-void HandleIncomingBleConnection(Ble::BLEEndPoint * bleEP);
-
 enum class BleScanState : uint8_t
 {
     kNotScanning,
diff --git a/src/transport/raw/BLE.cpp b/src/transport/raw/BLE.cpp
index 76123af..811969e 100644
--- a/src/transport/raw/BLE.cpp
+++ b/src/transport/raw/BLE.cpp
@@ -46,9 +46,8 @@
     if (mBleLayer)
     {
         mBleLayer->CancelBleIncompleteConnection();
-        mBleLayer->OnChipBleConnectReceived = nullptr;
-        mBleLayer->mBleTransport            = nullptr;
-        mBleLayer                           = nullptr;
+        mBleLayer->mBleTransport = nullptr;
+        mBleLayer                = nullptr;
     }
 
     if (mBleEndPoint)
@@ -77,7 +76,6 @@
     {
         ChipLogDetail(Inet, "BLEBase::Init - not overriding transport");
     }
-    mBleLayer->OnChipBleConnectReceived = nullptr;
 
     mState = State::kInitialized;