staging: qlge: Remove useless memset

This just repeats what the other memset a few lines above did.

Signed-off-by: Benjamin Poirier <bpoirier@suse.com>
Link: https://lore.kernel.org/r/20190927101210.23856-14-bpoirier@suse.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>