sysctl mqueue: remove the binary sysctl numbers

Because of a conflict with FS_INODE_NR none of the binary sysctl numbers use
by mqueue, were available to user space.  So just remove them.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Cc: Alexey Dobriyan <adobriyan@sw.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>