[HIPIFY][tests][win] Fix run_test.bat

All checks should not occur in input file for FileCheck. The issue found on CHECK-NOT.
Change removes all lit checks in the hipified file based on regexp, and the resulted stdout is fed as stdin for FileCheck.


[ROCm/clr commit: 8fae5663d2]

projects/clr/hipamd/tests/hipify-clang/run_test.bat

@@ -1,4 +1,4 @@
-@echo off
+rem @echo off
 setlocal
 
 for %%i in (FileCheck.exe) do set FILE_CHECK=%%~$PATH:i
@@ -14,5 +14,6 @@ set clang_args=%4%clang_args%
 
 %HIPIFY% -o=%TMP_FILE% %IN_FILE% -- %clang_args%
 if errorlevel 1 (echo      Error: hipify-clang.exe failed with exit code: %errorlevel% && exit /b %errorlevel%)
-%FILE_CHECK% %IN_FILE% -input-file=%TMP_FILE%
+
+findstr /v /r /c:"[ ]*//[ ]*[CHECK*|RUN]" %TMP_FILE% | %FILE_CHECK% %IN_FILE%
 if errorlevel 1 (echo      Error: FileCheck.exe failed with exit code: %errorlevel% && exit /b %errorlevel%)