Remove comments, so that isort and Black agree

- Ref: PyCQA/isort#1000

apps/authentication/models.py

@@ -15,8 +15,6 @@
 from rest_framework.exceptions import NotAcceptable
 
 from apps.authentication.constants import FieldOfStudyType, GroupType, RoleType
-# If this list is changed, remember to check that the year property on
-# OnlineUser is still correct!
 from apps.authentication.validators import validate_rfid
 from apps.gallery.models import ResponsiveImage
 

apps/careeropportunity/views.py

@@ -2,7 +2,6 @@
 
 from django.shortcuts import render
 from django.utils import timezone
-# API v1
 from rest_framework import mixins, viewsets
 from rest_framework.pagination import PageNumberPagination
 from rest_framework.permissions import AllowAny

apps/events/views.py

@@ -12,7 +12,6 @@
 from django.urls import reverse
 from django.utils import timezone
 from django.utils.translation import ugettext as _
-# API v1
 from guardian.shortcuts import get_objects_for_user
 from rest_framework import mixins, permissions, status, viewsets
 from rest_framework.decorators import action

apps/offline/views.py

@@ -1,7 +1,6 @@
 # -*- encoding: utf-8 -*-
 
 from django.shortcuts import render
-# API v1
 from rest_framework import mixins, viewsets
 from rest_framework.permissions import AllowAny