Minor removing constants already added

main/newscorm/learnpath_functions.inc.php

@@ -1147,15 +1147,7 @@ function export_exercise($item_id) {
     require_once '../exercice/question.class.php';
     require_once '../exercice/answer.class.php';
     require_once '../exercice/exercise.lib.php';
-        
+    
-
-    // Answer types
-    define('UNIQUE_ANSWER', 1);
-    define('MULTIPLE_ANSWER', 2);
-    define('FILL_IN_BLANKS', 3);
-    define('MATCHING', 4);
-    define('FREE_ANSWER', 5);
-
     $TBL_EXERCISES = Database :: get_course_table(TABLE_QUIZ_TEST);
 
     /* Clears the exercise session */