removed int param type in overridden method

dta/locallib.php

@@ -174,7 +174,7 @@ class assign_submission_dta extends assign_submission_plugin {
      * @param int $userid current user
      * @return bool form elements added
      */
-    public function get_form_elements_for_user($submissionorgrade, MoodleQuickForm $mform, stdClass $data, int $userid): bool {
+    public function get_form_elements_for_user($submissionorgrade, MoodleQuickForm $mform, stdClass $data, $userid): bool {
         // Prepare submission filearea.
         $data = file_prepare_standard_filemanager(
             $data,
@@ -228,7 +228,7 @@ class assign_submission_dta extends assign_submission_plugin {
      * @param string $areaid filearea id to count
      * @return int number of files submitted in the filearea
      */
-    private function count_files(int $submissionid, string $areaid) {
+    private function count_files(int $submissionid, $areaid) {
         $fs = get_file_storage();
         $files = $fs->get_area_files($this->assignment->get_context()->id,
             self::COMPONENT_NAME,