unfreeze rawhide-composer

rawhide-composer should never have been frozen. it has no impact on the
release deliverables, and we may want to deploy changes needing changes
on the compose box or update packages to account for rawhide changes at
any point in time. So mark not freezing

Signed-off-by: Dennis Gilmore <ausil@fedoraproject.org>

inventory/host_vars/rawhide-composer.phx2.fedoraproject.org

@@ -9,6 +9,9 @@ kojipkgs_url: kojipkgs.fedoraproject.org
 kojihub_url: koji.fedoraproject.org/kojihub
 kojihub_scheme: https
 
+# rawhide is never frozen, the compose box should not be so we can make needed changes
+freezes: false
+
 fedmsg_certs:
 - service: releng
   owner: root