[CI] Add Fabric-Admin and Fabric-Bridge to Linux ARM build target (#34177)

diff --git a/.github/workflows/examples-linux-arm.yaml b/.github/workflows/examples-linux-arm.yaml
index 4bf103d..e22bb90 100644
--- a/.github/workflows/examples-linux-arm.yaml
+++ b/.github/workflows/examples-linux-arm.yaml
@@ -67,6 +67,8 @@
                         --target linux-arm64-light-rpc-ipv6only-clang \
                         --target linux-arm64-thermostat-no-ble-clang \
                         --target linux-arm64-lit-icd-no-ble-clang \
+                        --target linux-arm64-fabric-admin-clang-rpc \
+                        --target linux-arm64-fabric-bridge-no-ble-clang-rpc \
                         build \
                      "
             - name: Bloat report - chip-tool
diff --git a/examples/platform/linux/RpcClientProcessor.cpp b/examples/platform/linux/RpcClientProcessor.cpp
index a2cbe56..2b2fd66 100644
--- a/examples/platform/linux/RpcClientProcessor.cpp
+++ b/examples/platform/linux/RpcClientProcessor.cpp
@@ -33,7 +33,6 @@
 
 // Constants
 constexpr size_t kMaxTransmissionUnit = 256;
-constexpr uint32_t kDefaultChannelId  = 1;
 const char * kDefaultRpcServerAddress = "127.0.0.1";
 
 // RPC Stream and Channel Setup