Merge branch 'jc/hook-cleanup'

Remove unused code.

* jc/hook-cleanup:
  run-command.c: retire unused run_hook_with_custom_index()

run-command.c

@@ -833,20 +833,3 @@ int run_hook_le(const char *const *env, const char *name, ...)
 
 	return ret;
 }
-
-int run_hook_with_custom_index(const char *index_file, const char *name, ...)
-{
-	const char *hook_env[3] =  { NULL };
-	char index[PATH_MAX];
-	va_list args;
-	int ret;
-
-	snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", index_file);
-	hook_env[0] = index;
-
-	va_start(args, name);
-	ret = run_hook_ve(hook_env, name, args);
-	va_end(args);
-
-	return ret;
-}