LU-6142 socklnd: remove declarations of missing functions.

LU-6142 socklnd: remove declarations of missing functions.

Noe of ksocknal_query(), ksocknal_notify(), and
ksocknal_lib_bind_thread_to_cpu() exist, so don't declare them.

Test-Parameters: trivial
Signed-off-by: Mr NeilBrown <neilb@suse.de>
Change-Id: Ice87c317f116bda9c04dcaa285bc7ba47be219ca
Reviewed-on: https://review.whamcloud.com/39326
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: James Simmons <jsimmons@infradead.org>
Reviewed-by: Alexey Lyashkov <alexey.lyashkov@hpe.com>
Reviewed-by: Chris Horn <chris.horn@hpe.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>