staging: unisys: remove generally useless elses from visorchipset_main.c

There are several else clauses that aren't necessary listed by checkpatch.pl in
visorchipset_main.c. Remove these.

Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>