deps/libff: Remove network init

Isn't really necessary due to libff being deprecated

deps/libff/libff/ff-util.c

@@ -47,7 +47,7 @@ struct ff_codec_desc {
 void ff_init()
 {
 	av_register_all();
-	avdevice_register_all();
+	//avdevice_register_all();
 	avcodec_register_all();
 	avformat_network_init();
 }