Fix #109 - allow submission without a portfolio.

Author: danmarsden

locallib.php

@@ -977,21 +977,6 @@ private function update_submission_data($response, $iscollection, $maharasubmiss
         return $maharasubmission;
     }
 
-    /**
-     * Check if the submission plugin has all the required data to allow the work
-     * to be submitted for grading
-     * @param stdClass $submission the assign_submission record being submitted.
-     * @return bool|string 'true' if OK to proceed with submission, otherwise a
-     *                        a message to display to the user
-     */
-    public function precheck_submission($submission) {
-        $maharasubmission = $this->get_mahara_submission($submission->id);
-        if (!$maharasubmission) {
-            return get_string('emptysubmission', 'assignsubmission_maharaws');
-        }
-        return true;
-    }
-
      /**
       * Process submission for grading
       *