line-directive: Actually stop expanding response files

The changes in swiftlang#81996 fixed the response file format but failed to
actually make `line-directive` stop expanding the response files in the
compiler invocation. These changes fix that.

Author: Steelskin

utils/line-directive

@@ -682,7 +682,7 @@ def run():
         # delegates to the Win32 CreateProcess API. Unix systems handle
         # non-normalized paths, so don't have this problem.
         # Arguments passed to the process are normalized by the process.
-        command_args = expand_response_files(sys.argv[dashes + 1:])
+        command_args = sys.argv[dashes + 1:]
         command_args[0] = os.path.normpath(command_args[0])
 
         try: