Remove some stray comments from profiling file

hpvm/projects/hpvm-tensor-rt/tensor_runtime/src/profiling.cc

@@ -30,14 +30,6 @@ void startProfiling() {
 }
 
 void stopProfiling() {
-//  std::chrono::time_point<std::chrono::high_resolution_clock> end_time = 
-  //    std::chrono::high_resolution_clock::now();
-  
-   //std::chrono::duration<double, std::milli> fp_ms = end_time - start_time;
-  
-  //profile_data = "";
-  //profile_data.append("Total Time : ");
-  //profile_data.append(std::to_string(fp_ms.count()));
   FILE *fp = fopen("profile_data.txt", "w+");
   if (fp != NULL) {
     fwrite(profile_data.c_str(), 1, profile_data.length(), fp);