staging: unisys: visorhba: remove redundant initialization of variables scsicmd_id...

staging: unisys: visorhba: remove redundant initialization of variables scsicmd_id and rc

The variables scsicmd_id and rc is being initialized with a value
that is never read and are being updated later with a new value.
The initializations are redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20200723155415.994036-1-colin.king@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>