Remove riot directory

src/freedombone-app-riot

 function remove_riot {
     function_check remove_onion_service
     remove_onion_service riot ${RIOT_ONION_PORT}
+
     nginx_dissite $RIOT_DOMAIN_NAME
     if [ -f /etc/nginx/sites-available/$RIOT_DOMAIN_NAME ]; then
         rm /etc/nginx/sites-available/$RIOT_DOMAIN_NAME
     fi
+
+    if [ -d /var/www/$RIOT_DOMAIN_NAME ]; then
+        rm -rf /var/www/$RIOT_DOMAIN_NAME
+    fi
+
     remove_completion_param install_riot
     sed -i '/riot /d' $COMPLETION_FILE
 }