Uninstall avahi for non mesh variants

src/freedombone

@@ -1654,6 +1654,9 @@ function configure_avahi {
   fi
   # only enable avahi if we're doing mesh networking
   if [[ $ENABLE_BABEL != "yes" && $ENABLE_BATMAN != "yes" && $ENABLE_CJDNS != "yes" ]]; then
+      # Ensure that avahi is not installed. We only need it for mesh networking
+      # Where there is no conventional DNS resolution
+      apt-get -y remove avahi-*
       return
   fi
   apt-get -y install avahi-utils avahi-autoipd avahi-dnsconfd