iscsi: Drop deprecated -drive parameter "filename"

Parameter "filename" is deprecated since commit 5c3ad1a6a8f, v2.10.0.
Time to get rid of it.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
1 file changed