remove redundant error message

Author: cherylEnkidu

firebase-firestore/src/main/java/com/google/firebase/firestore/local/QueryEngine.java

@@ -146,12 +146,6 @@ private void createCacheIndexes(Query query, QueryContext context, int resultSiz
           "The SDK decides to create cache indexes for query: %s, as using cache indexes "
               + "may help improve performance.",
           query.toString());
-    } else {
-      Logger.debug(
-          LOG_TAG,
-          "The SDK decides not to create cache indexes for this query: %s, as using cache "
-              + "indexes may not help improve performance.",
-          query.toString());
     }
   }