Revert "Fix icingacli monitoring list --problems"

This reverts commit 855e7f7120.

modules/monitoring/application/clicommands/ListCommand.php

@@ -56,9 +56,6 @@ class ListCommand extends Command
             $query->limit($limit, $this->params->shift('offset'));
         }
         foreach ($this->params->getParams() as $col => $filter) {
-            if (strtolower($col) === 'problems') {
-                $col = 'service_problem';
-            }
             $query->where($col, $filter);
         }
         // $query->applyFilters($this->params->getParams());