Removed unused local variables that skipped by in the review process

Change-Id: I67687e24842cd0ee724fedccb7c11540958f4b74

Author: robszewczyk

src/lib/profiles/data-management/Current/SubscriptionClient.cpp

@@ -2919,14 +2919,10 @@ WEAVE_ERROR SubscriptionClient::ClearUpdated(TraitUpdatableDataSink * aDataSink,
 {
     WEAVE_ERROR err = WEAVE_NO_ERROR;
     TraitDataHandle dataHandle;
-    const TraitSchemaEngine * schemaEngine;
-    bool needToSetUpdateRequiredVersion = false;
     bool isTraitInstanceInUpdate = false;
 
     LockUpdateMutex();
 
-    schemaEngine = aDataSink->GetSchemaEngine();
-
     err = mDataSinkCatalog->Locate(aDataSink, dataHandle);
     SuccessOrExit(err);