staging: comedi: ni_tiocmd: remove unused code
staging: comedi: ni_tiocmd: remove unused code

Code after a return will never run, removing this dead code.

Suggested-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>
Signed-off-by: Luis de Bethencourt <8f75b4f0fcf50ddef066e07e72bb1ea01e2b9de1@osg.samsung.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs