staging: wlags49_h2: Remove CKIP support from hcf

CKIP is a Cisco proprietary alternative to TKIP. Support removed to
simplify code - the defines to interact with the firmware are left in
place.

Signed-off-by: David Kilroy <kilroyd@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>