clean up

rapids/models.py

@@ -17,8 +17,6 @@ from django.urls import reverse
 from django.utils.translation import gettext_lazy as _
 from django.utils.html import mark_safe
 
-from sortedm2m.fields import SortedManyToManyField
-
 import string
 from collections import defaultdict
 from helpers.images import get_image_hash, image_as_base64
@@ -614,7 +612,6 @@ class ExamQuestionDetail(models.Model):
 class Exam(ExamBase):
     app_name = "rapids"
 
-    #exam_questions = SortedManyToManyField(Rapid, related_name="exams", blank="true")
     exam_questions = models.ManyToManyField(Rapid, through=ExamQuestionDetail, related_name="exams")
 
     time_limit = models.IntegerField(