Just remove the file and Wine should automatically place the original kernel32.dll back. Wine might even just ignore or overwrite the replaced DLL since it's a core part of Wine, so you wouldn't notice if it didn't work.
Just remove the file and Wine should automatically place the original kernel32.dll back. Wine might even just ignore or overwrite the replaced DLL since it's a core part of Wine, so you wouldn't notice if it didn't work.