Don't release centos7 aarch64 volume
Don't release centos7 aarch64 volume

We ended up not creating centos7 arm64 wheels and don't have this
volume, don't try and release it.

Change-Id: Ibe4d459ce6c9c6e26330944f30272925b930ba3d

openstack-infra/project-config,openstack-infra/project-config