Revert "Add AArch64 publisher for Debian/source"
Revert "Add AArch64 publisher for Debian/source"

This reverts commit 61fed77d79c8242c64772df5d409fdaffdc3a150.

Images overwrite x86-64 ones.

We need to solve it better.

Change-Id: I57e725b44efe16a9f2f3900c6e14eb84aac37c32

rahulunair/kolla,stackforge/kolla,stackforge/kolla,stackforge/kolla,rahulunair/kolla,openstack/kolla,openstack/kolla