staging: ccree: remove unproven likely/unlikely

The ccree code made a lot of use of likely/unlikely qualifiers without
proven measurements showing any benefits. Remove them all until we
see what is justified and what is not.

Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>