vm/systemd: disable avahi-daemon
vm/systemd: disable avahi-daemon

Aparently this service have changed name, so make sure it will be disabled also
under new name.

woju/qubes-core-admin,marmarek/qubes-core-admin,QubesOS/qubes-core-admin,woju/qubes-core-admin,marmarek/qubes-core-admin,QubesOS/qubes-core-admin,marmarek/qubes-core-admin,woju/qubes-core-admin,woju/qubes-core-admin,QubesOS/qubes-core-admin