Remove 'locale' from properties

Having the value stored here is somewhat pointless, so this is one step
in fixing the locale handling.  Locale should be handled by the modules
themselves with their own loaded locale lookup information.

plugins/obs-ffmpeg/obs-ffmpeg-aac.c

@@ -240,7 +240,7 @@ static void aac_defaults(obs_data_t settings)
 
 static obs_properties_t aac_properties(const char *locale)
 {
-	obs_properties_t props = obs_properties_create(locale);
+	obs_properties_t props = obs_properties_create();
 
 	/* TODO: locale */
 	obs_properties_add_int(props, "bitrate", "Bitrate", 32, 320, 32);