remove usr local lib when dynamic load lib

paddle/fluid/platform/dynload/dynamic_loader.cc

@@ -80,10 +80,6 @@ static inline void* GetDsoHandleFromDefaultPath(const std::string& dso_path,
   // default search from LD_LIBRARY_PATH/DYLD_LIBRARY_PATH
   // and /usr/local/lib path
   void* dso_handle = dlopen(dso_path.c_str(), dynload_flags);
-  if (nullptr == dso_handle) {
-    dso_handle =
-        dlopen(join("/usr/local/lib/", dso_path).c_str(), dynload_flags);
-  }
 
 // DYLD_LIBRARY_PATH is disabled after Mac OS 10.11 to
 // bring System Integrity Projection (SIP), if dso_handle
@@ -106,7 +102,7 @@ static inline void* GetDsoHandleFromDefaultPath(const std::string& dso_path,
 
   if (nullptr == dso_handle) {
     LOG(WARNING) << "Can not find library: " << dso_path
-                 << ". Please try to set add the lib path to LD_LIBRARY_PATH.";
+                 << ". Please try to add the lib path to LD_LIBRARY_PATH.";
   }
   return dso_handle;
 }