Removed mch_check_win

src/os_unix.c

@@ -182,16 +182,6 @@ void mch_init()
   event_init();
 }
 
-/*
- * Check_win checks whether we have an interactive stdout.
- */
-int mch_check_win(int argc, char **argv)
-{
-  if (isatty(1))
-    return OK;
-  return FAIL;
-}
-
 /*
  * Return TRUE if the input comes from a terminal, FALSE otherwise.
  */