mitm: fix long-standing C descriptor issue.

stratosphere/ams_mitm/source/set_mitm/set_shim.h

@@ -1,19 +0,0 @@
-/**
- * @file set_shim.h
- * @brief Settings Services (set) IPC wrapper. To be merged into libnx, eventually.
- * @author SciresM
- * @copyright libnx Authors
- */
-#pragma once
-#include <switch.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* Command forwarders. */
-Result setGetAvailableLanguageCodesFwd(Service* s, s32 *total_entries, u64 *language_codes, size_t max_entries);
-
-#ifdef __cplusplus
-}
-#endif