SWDEV-347383 - Remove code that sets -std and -fms-* flags (#2820)

[ROCm/hip commit: 15575466ac]

projects/hip/bin/hipcc.pl

@@ -187,11 +187,6 @@ if ($HIP_PLATFORM eq "amd") {
         print ("HIP_CLANG_TARGET=$HIP_CLANG_TARGET\n");
     }
 
-    if ($isWindows) {
-      $HIPCXXFLAGS .= " -std=c++14 -fms-extensions -fms-compatibility";
-    } else {
-      $HIPCXXFLAGS .= " -std=c++11";
-    }
     $HIPCXXFLAGS .= " -isystem \"$HIP_CLANG_INCLUDE_PATH/..\"";
     $HIPCFLAGS .= " -isystem \"$HIP_CLANG_INCLUDE_PATH/..\"";
     $HIPLDFLAGS .= " -L\"$HIP_LIB_PATH\"";