Removed obsoleted nua events.
Removed obsoleted nua events.

Removed nua events nua_i_media_event, nua_r_set_media_param,
nua_r_get_media_param, nua_r_media_setup, nua_r_media_describe,
nua_r_media_event, nua_i_announce, nua_i_describe, nua_i_get_parameter,
nua_i_pause, nua_i_options2, nua_i_play, nua_i_record, nua_i_set_parameter,
nua_i_setup, nua_i_teardown, nua_r_setup, nua_r_play, nua_r_record,
nua_r_pause, nua_r_describe, nua_r_teardown, nua_r_options2, nua_r_announce,
nua_r_get_parameter, and nua_r_set_parameter.

Removed nua functions nua_announce(), nua_describe(), nua_get_media_param(),
nua_get_parameter(), nua_media_describe(), nua_media_event(),
nua_media_setup(), nua_options2(), nua_pause(), nua_play(), nua_record(),
nua_set_media_param(), nua_set_parameter(), nua_setup(), and nua_teardown(),

darcs-hash:20060329170222-65a35-8e8148072f9557a084da6de19be44e4fda8b1762.gz

BelledonneCommunications/sofia-sip,unispeech/sofia-sip,xhook/sofia-sip,xhook/sofia-sip,unispeech/sofia-sip,unispeech/sofia-sip,erdincay/sofia-sip,erdincay/sofia-sip,jart/sofia-sip,jart/sofia-sip,BelledonneCommunications/sofia-sip,xhook/sofia-sip,unispeech/sofia-sip,erdincay/sofia-sip,erdincay/sofia-sip,xhook/sofia-sip,jart/sofia-sip,BelledonneCommunications/sofia-sip,BelledonneCommunications/sofia-sip,xhook/sofia-sip