- remove all PHP "_ZMQ_" related dependencies from Pathfinder. PHP´s native Sockets work as replacement

- added status information for "WebSocket" installations to `/setup` page (e.g. active connections, startup time)
- removed "ext-zmq" as required PHP extension
- removed "react/zmq" as required Composer package
- removed "websoftwares/monolog-zmq-handler" as required Composer package

app/main/controller/api/user.php

@@ -200,7 +200,6 @@ class User extends Controller\Controller{
     /**
      * log the current user out + clear character system log data
      * @param \Base $f3
-     * @throws \ZMQSocketException
      */
     public function logout(\Base $f3){
         $this->logoutCharacter($f3, false, true, true, true);
@@ -355,7 +354,6 @@ class User extends Controller\Controller{
      * delete current user account from DB
      * @param \Base $f3
      * @throws Exception
-     * @throws \ZMQSocketException
      */
     public function deleteAccount(\Base $f3){
         $data = $f3->get('POST.formData');