[gnome-todo] task-list: Turn check into assertion

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit d32a16bbe216d1476ea24a83cdd3608f55f8d158
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Mon Sep 10 21:52:04 2018 -0300

    task-list: Turn check into assertion
    
    We *really* don't want anyone trying to remove a
    task from a tasklist that doesn't contain it.

 src/gtd-task-list.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
---
diff --git a/src/gtd-task-list.c b/src/gtd-task-list.c
index 36c1ad7..c037c06 100644
--- a/src/gtd-task-list.c
+++ b/src/gtd-task-list.c
@@ -648,12 +648,10 @@ gtd_task_list_remove_task (GtdTaskList *list,
 
   g_assert (GTD_IS_TASK_LIST (list));
   g_assert (GTD_IS_TASK (task));
+  g_assert (gtd_task_list_contains (list, task));
 
   priv = gtd_task_list_get_instance_private (list);
 
-  if (!gtd_task_list_contains (list, task))
-    return;
-
   g_signal_handlers_disconnect_by_func (task, task_changed_cb, list);
 
   uid = gtd_object_get_uid (GTD_OBJECT (task));