chore: remove tag

Author: russellwheatley

packages/firestore/android/src/reactnative/java/io/invertase/firebase/firestore/ReactNativeFirebaseFirestoreCollectionModule.java

@@ -34,7 +34,6 @@
 
 public class ReactNativeFirebaseFirestoreCollectionModule extends ReactNativeFirebaseModule {
   private static final String SERVICE_NAME = "FirestoreCollection";
-  private final String TAG = "aaaaaaaa";
   private static SparseArray<ListenerRegistration> collectionSnapshotListeners =
       new SparseArray<>();