No intrusion detection on the mesh variant

src/freedombone

   if grep -Fxq "intrusion_detection" $COMPLETION_FILE; then
       return
   fi
+  if [[ $SYSTEM_TYPE == "$VARIANT_MESH" ]]; then
+      return
+  fi
   apt-get -y install tripwire
   apt-get -y autoremove
   cd /etc/tripwire