Fix ReadEvent (#12626)

diff --git a/src/controller/ReadInteraction.h b/src/controller/ReadInteraction.h
index efc977b..3405afc 100644
--- a/src/controller/ReadInteraction.h
+++ b/src/controller/ReadInteraction.h
@@ -88,17 +88,17 @@
  * for a given attribute as well as callbacks for success and failure and either returns a decoded cluster-object representation
  * of the requested attribute through the provided success callback or calls the provided failure callback.
  *
- * The EventTypeInfo is generally expected to be a ClusterName::Events::EventName::TypeInfo struct, but any
+ * The DecodableEventType is generally expected to be a ClusterName::Events::EventName::DecodableEventType struct, but any
  * object that contains type information exposed through a 'DecodableType' type declaration as well as GetClusterId() and
  * GetEventId() methods is expected to work.
  */
-template <typename DecodableEventTypeInfo>
+template <typename DecodableEventType>
 CHIP_ERROR ReadEvent(Messaging::ExchangeManager * apExchangeMgr, const SessionHandle sessionHandle, EndpointId endpointId,
-                     typename TypedReadEventCallback<DecodableEventTypeInfo>::OnSuccessCallbackType onSuccessCb,
-                     typename TypedReadEventCallback<DecodableEventTypeInfo>::OnErrorCallbackType onErrorCb)
+                     typename TypedReadEventCallback<DecodableEventType>::OnSuccessCallbackType onSuccessCb,
+                     typename TypedReadEventCallback<DecodableEventType>::OnErrorCallbackType onErrorCb)
 {
-    ClusterId clusterId = DecodableEventTypeInfo::GetClusterId();
-    EventId eventId     = DecodableEventTypeInfo::GetEventId();
+    ClusterId clusterId = DecodableEventType::GetClusterId();
+    EventId eventId     = DecodableEventType::GetEventId();
     app::EventPathParams eventPath(endpointId, clusterId, eventId);
     app::ReadPrepareParams readParams(sessionHandle);
     app::ReadClient * readClient         = nullptr;
@@ -108,17 +108,15 @@
     readParams.mpEventPathParamsList    = &eventPath;
     readParams.mEventPathParamsListSize = 1;
 
-    auto onDone = [](app::ReadClient * apReadClient, TypedReadEventCallback<DecodableEventTypeInfo> * callback) {
+    auto onDone = [](app::ReadClient * apReadClient, TypedReadEventCallback<DecodableEventType> * callback) {
         chip::Platform::Delete(callback);
     };
 
-    auto callback = chip::Platform::MakeUnique<TypedReadEventCallback<DecodableEventTypeInfo>>(clusterId, eventId, onSuccessCb,
-                                                                                               onErrorCb, onDone);
+    auto callback = chip::Platform::MakeUnique<TypedReadEventCallback<DecodableEventType>>(onSuccessCb, onErrorCb, onDone);
 
     VerifyOrReturnError(callback != nullptr, CHIP_ERROR_NO_MEMORY);
 
-    ReturnErrorOnFailure(
-        engine->NewReadClient(&readClient, app::ReadClient::InteractionType::Read, &callback.get()->GetBufferedCallback()));
+    ReturnErrorOnFailure(engine->NewReadClient(&readClient, app::ReadClient::InteractionType::Read, callback.get()));
 
     err = readClient->SendReadRequest(readParams);
     if (err != CHIP_NO_ERROR)
@@ -146,13 +144,5 @@
                                                                     AttributeTypeInfo::GetClusterId(),
                                                                     AttributeTypeInfo::GetAttributeId(), onSuccessCb, onErrorCb);
 }
-
-template <typename EventTypeInfo>
-CHIP_ERROR ReadEvent(Messaging::ExchangeManager * aExchangeMgr, const SessionHandle sessionHandle, EndpointId endpointId,
-                     typename TypedReadEventCallback<typename EventTypeInfo::DecodableType>::OnSuccessCallbackType onSuccessCb,
-                     typename TypedReadEventCallback<typename EventTypeInfo::DecodableType>::OnErrorCallbackType onErrorCb)
-{
-    return ReadEvent<typename EventTypeInfo::DecodableType>(aExchangeMgr, sessionHandle, endpointId, onSuccessCb, onErrorCb);
-}
 } // namespace Controller
 } // namespace chip