[SCSI] qla4xxx: Remove un-necessary print statment

On ROM lock acquiring timeout failure, driver spews lot of warning
messages in a for loop, remove the unwanted warning message to reduce
kernel messages clutter.

Signed-off-by: Lalit Chandivade <lalit.chandivade@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>