CTR prediction profiling

predictor/framework/infer.h

@@ -632,7 +632,6 @@ class VersionedInferEngine : public InferEngine {
         LOG(ERROR) << "Failed thrd clear version engine: " << iter->first;
         return -1;
       }
-      LOG(INFO) << "Succ thrd clear version engine: " << iter->first;
     }
     return 0;
   }

predictor/framework/resource.cpp

@@ -208,7 +208,6 @@ int Resource::thread_clear() {
     return -1;
   }
 
-  LOG(INFO) << bthread_self() << "Resource::thread_clear success";
   // ...
   return 0;
 }