ext/lame/gstlame.*: Remove tag writing from lame (which was completely broken anyway...

ext/lame/gstlame.*: Remove tag writing from lame (which was completely broken anyway, #329184). Leaving GstTagSetter ...

Original commit message from CVS:
* ext/lame/gstlame.c: (gst_lame_get_type),
(gst_lame_release_memory), (gst_lame_init), (gst_lame_sink_event),
(gst_lame_setup), (gst_lame_change_state):
* ext/lame/gstlame.h:
Remove tag writing from lame (which was completely broken
anyway, #329184). Leaving GstTagSetter interface around for
now, albeit non-functional. Should be removed completely
in 0.11. Use the 'id3v2mux' plugin from -good for writing
tags.