Remove deprecated nova scheduler filter

The patch removes AvailabilityZoneFilter scheduler filter as it
got deprecated by the Depends-On patch.

Change-Id: I22a42549880de783ec1372592e0bbbe8e1004a43
Signed-off-by: Stephen Finucane <sfinucan@redhat.com>
Depends-On: https://review.opendev.org/#/c/745605/
1 file changed