Remove macro to free locale

This functionality can now be handled automatically because locale can
now be freed seaparately from obs_module_unload with
obs_module_free_locale, which is called automatically when the module is
being freed.

plugins/obs-outputs/obs-outputs.c

@@ -28,6 +28,4 @@ void obs_module_unload(void)
 #ifdef _WIN32
 	WSACleanup();
 #endif
-
-	OBS_MODULE_FREE_DEFAULT_LOCALE();
 }