start cleaning up trainee management

generic/views.py

@@ -2791,6 +2791,14 @@ def get_user_selection_from_request(request):
     user_models = User.objects.filter(id__in=selected_users)
     return user_models
 
+@user_is_cid_user_manager
+def user_not_trainee(request, user_id):
+    user = get_object_or_404(User, pk=user_id)
+
+    user.userprofile.peninsula_trainee = False
+    user.userprofile.save()
+
+    return HttpResponse(f"{user.username} is no longer a trainee", content_type="text/plain")
 
 @user_is_cid_user_manager
 def users_bulk_edit(request):