Bypass unnecessary logs on loging out

common/djangoapps/student/views.py

@@ -1341,6 +1341,7 @@ def logout_user(request):
     """
     # We do not log here, because we have a handler registered
     # to perform logging on successful logouts.
+    request.is_from_logout = True
     logout(request)
     if settings.FEATURES.get('AUTH_USE_CAS'):
         target = reverse('cas-logout')