remove unnecessary startTransaction and commit calls

src/Controller/MapAdminController.php

@@ -104,8 +104,6 @@ class MapAdminController implements IAuthenticationRequired, ISecured
     {
         $mapId = (int) $this->request->query('mapId');
 
-        \Container::$dbConnection->startTransaction();
-
         if ($mapId) {
             $map = $this->mapRepository->getById($mapId);
         } else {
@@ -186,8 +184,6 @@ class MapAdminController implements IAuthenticationRequired, ISecured
 
         $this->pdm->saveToDb($map);
 
-        \Container::$dbConnection->commit();
-
         return new JsonContent(['mapId' => $map->getId(), 'added' => $addedIds]);
     }
 
@@ -197,14 +193,10 @@ class MapAdminController implements IAuthenticationRequired, ISecured
 
         $map = $this->mapRepository->getById($mapId);
 
-        \Container::$dbConnection->startTransaction();
-
         $this->deletePlaces($map);
 
         $this->pdm->deleteFromDb($map);
 
-        \Container::$dbConnection->commit();
-
         return new JsonContent(['success' => true]);
     }