Revert "ixl: fix multicast filters handling"
This reverts commit 89e73359424a338a7900a4854ad7439f5848ebb8.
PR: 281125
Reviewed by: Krzysztof Galazka <krzysztof.galazka@intel.com>
MFC after: 3 days
Pull Request: https://github.com/freebsd/freebsd-src/pull/1545