fix: address lint errors that made it to main (#1299)

Author: matt-codecov

codecov_auth/admin.py

@@ -12,8 +12,6 @@
 from django.http import HttpRequest
 from django.shortcuts import redirect, render
 from django.utils import timezone
-from services.task import TaskService
-
 from django.utils.html import format_html
 from shared.django_apps.codecov_auth.models import (
     Account,