playbook/ors: remove masquerade for IPv6

It is not necessary for phones as re6st will
handle the routing. Adding masquerade interferes
with re6st routing.

playbook/roles/ors/files/configure-firewall

@@ -53,13 +53,6 @@ cat > $TMPV6 << EOF
 :INPUT ACCEPT
 :OUTPUT ACCEPT
 :POSTROUTING ACCEPT
-EOF
-for IF in "${IF_LIST_SORTED[@]}"; do
-  cat >> $TMPV6 << EOF
--A POSTROUTING -o $IF -j MASQUERADE
-EOF
-done
-cat >> $TMPV6 << EOF
 COMMIT
 *filter
 :INPUT ACCEPT