* #18663: daemon: remove Codec class

daemon/src/Makefile.am

daemon/src/audio/codecs/alaw.cpp

daemon/src/audio/codecs/audiocodec.h

daemon/src/audio/codecs/audiocodecfactory.cpp

daemon/src/audio/codecs/audiocodecfactory.h

daemon/src/audio/codecs/g722.cpp

daemon/src/audio/codecs/g729.cpp

daemon/src/audio/codecs/gsmcodec.cpp

daemon/src/audio/codecs/ilbc.cpp

daemon/src/audio/codecs/opus.cpp

daemon/src/audio/codecs/speexcodec_nb.cpp

daemon/src/audio/codecs/speexcodec_ub.cpp

daemon/src/audio/codecs/speexcodec_wb.cpp

daemon/src/audio/codecs/ulaw.cpp

daemon/src/codec.h

daemon/src/dbus/configurationmanager.cpp

daemon/src/iax/iaxvoiplink.cpp

daemon/src/managerimpl.cpp

daemon/src/sip/sdp.cpp

daemon/src/sip/sdp.h