attrib-server: Mark attrib_channel_detach as deprecated
attrib-server: Mark attrib_channel_detach as deprecated

All public attrib-server functions are marked as deprecated until they
expose adapter facilities to operate with. This is a transactional patch
toward multiple adapter support is implemented.  All those functions use
default adapter in order to keep backward compatibility.

pkarasev3/bluez,pkarasev3/bluez,ComputeCycles/bluez,mapfau/bluez,mapfau/bluez,silent-snowman/bluez,ComputeCycles/bluez,pstglia/external-bluetooth-bluez,pkarasev3/bluez,mapfau/bluez,silent-snowman/bluez,silent-snowman/bluez,mapfau/bluez,pstglia/external-bluetooth-bluez,pkarasev3/bluez,ComputeCycles/bluez,ComputeCycles/bluez,pstglia/external-bluetooth-bluez,silent-snowman/bluez,pstglia/external-bluetooth-bluez