[PATCH] dvb: core: dvb_demux: remove unsused descramble callbacks

Removed unused descramble_mac_address and descramble_section_payload callbacks.

Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>