Remove redundant check

Author: izendegi

classes/webservice.php

@@ -473,8 +473,8 @@ private function get_least_recently_active_paid_user_id() {
                 continue;
             }
 
-            // Skip the protected group.
-            if (!empty($this->protectedgroups) && !empty(array_intersect($this->protectedgroups, $user->group_ids ?? []))) {
+            // Skip the users of protected groups.
+            if (!empty(array_intersect($this->protectedgroups, $user->group_ids ?? []))) {
                 continue;
             }