delete caffe input check

parser/caffe/caffe_parser.cc

@@ -368,10 +368,6 @@ Status CaffeModelParser::ParseInput(domi::caffe::NetParameter &proto_message, bo
         input_data_flag = true;
       }
     }
-  } else {
-    ErrorManager::GetInstance().ATCReportErrMessage("E11002");
-    GELOGE(FAILED, "[Check][Size]Model has no input.");
-    return PARAM_INVALID;
   }
   return SUCCESS;
 }