No need to prevent re6st through LAN anymore

Since we activated HMAC on the test network, there is no chance of
merging the 2 networks anymore.

playbook/roles/ors/files/configure-re6st

@@ -9,12 +9,7 @@ for IF in $(find . -type l -printf "%f\n"); do
   if ! realpath $(readlink $IF) | grep -q "^/sys/devices/virtual"; then
     # If interface is up and has IPv6 neighbours
     if [ "$(cat $IF/operstate)" = "up" ] && [ -n "$(ip -6 neigh list dev $IF)" ]; then
-      # Special case: interfaces connected to Lille office LAN should not have interface option enabled
-      if ! ping6 -q -c3 -w3 fe80::20d:b9ff:fe3f:9055%$IF; then
-        IF_LIST+=($IF);
-      else
-        RM_IF_LIST+=($IF);
-      fi
+      RM_IF_LIST+=($IF);
     fi
   fi
 done

playbook/sha256sum

-97daade34ab16b93c07810391a6341a6e0cca46c83fb49544b1ee5d42649b7e3  -
+007dcca4a3c2afdb420092f8b3c7795d2a7c1552efac2bc3635d65ddd8a01dff  -