Merge pull request #15584 from edx/jeskew/fix_drf_upgrade_incompat

Remove request.POST save - incompatible with DRF v3.6.3.

lms/djangoapps/bulk_enroll/views.py

@@ -60,7 +60,6 @@ class BulkEnrollView(APIView):
     def post(self, request):
         serializer = BulkEnrollmentSerializer(data=request.data)
         if serializer.is_valid():
-            request.POST = request.data
             response_dict = {
                 'auto_enroll': serializer.data.get('auto_enroll'),
                 'email_students': serializer.data.get('email_students'),