Lots more removal of deprecated things

apps/app_settransfercapability.c

channels/chan_agent.c

channels/chan_alsa.c

channels/chan_features.c

channels/chan_h323.c

channels/chan_iax2.c

channels/chan_local.c

channels/chan_mgcp.c

channels/chan_oss.c

channels/chan_sip.c

channels/chan_skinny.c

doc/ip-tos.txt

pbx/pbx_config.c

res/res_agi.c

res/res_convert.c

res/res_crypto.c

res/res_features.c

res/res_indications.c

res/res_musiconhold.c

res/res_odbc.c