Don't need to remove mumble firewall if it was not installed

src/freedombone-app-mumble

@@ -143,10 +143,12 @@ function remove_mumble {
 	fi
     fi
     apt-get -y remove --purge mumble-server
-    iptables -D INPUT -p udp --dport $VOIP_PORT -j ACCEPT
-    iptables -D INPUT -p tcp --dport $VOIP_PORT -j ACCEPT
-    function_check save_firewall_settings
-    save_firewall_settings
+    if [[ $ONION_ONLY == "no" ]]; then
+	iptables -D INPUT -p udp --dport $VOIP_PORT -j ACCEPT
+	iptables -D INPUT -p tcp --dport $VOIP_PORT -j ACCEPT
+	function_check save_firewall_settings
+	save_firewall_settings
+    fi
     if [ -f /etc/mumble-server.ini ]; then
 	rm /etc/mumble-server.ini
     fi