rxrpc: remove unused static variables

The rxrpc_security_methods and rxrpc_security_sem user has been removed
in 648af7fca159 ("rxrpc: Absorb the rxkad security module"). This was
noticed by kbuild test robot for the -RT tree but is also true for !RT.

Reported-by: kbuild test robot <[email protected]>
Signed-off-by: Sebastian Andrzej Siewior <[email protected]>
Signed-off-by: David Howells <[email protected]>
1 file changed