Implement profile_image upload and remove endpoints

TNL-1537

Co-Authored-By: Andy Armstrong <andya@edx.org>
Co-Authored-By: cahrens <christina@edx.org>

lms/djangoapps/mobile_api/utils.py

@@ -2,14 +2,16 @@
 Common utility methods and decorators for Mobile APIs.
 """
 
-
 import functools
 from rest_framework import permissions
-
-from util.authentication import SessionAuthenticationAllowInactiveUser, OAuth2AuthenticationAllowInactiveUser
 from opaque_keys.edx.keys import CourseKey
 from xmodule.modulestore.django import modulestore
+
 from courseware.courses import get_course_with_access
+from openedx.core.lib.api.authentication import (
+    SessionAuthenticationAllowInactiveUser,
+    OAuth2AuthenticationAllowInactiveUser,
+)
 from openedx.core.lib.api.permissions import IsUserInUrl