reverts unnecessary change

Author: flovilmart

Parse/Internal/ParseManager.m

@@ -439,6 +439,7 @@ - (BFTask *)preloadDiskObjectsToMemoryAsync {
 #endif
                            ];
         [[BFTask taskForCompletionOfAllTasks:tasks] waitUntilFinished]; // Wait synchronously to make sure we are blocking preload queue.
+        [self eventuallyQueue];
 
         return nil;
     }];