[glib/settings-list-does-not-exist] Clarify docs for g_settings_list_children

[Matthias Clasen <matthiasc src gnome org>]

commit bb1f765df365770a0ce48642e69f7b3a41654e1b
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Nov 12 08:07:52 2018 -0500

    Clarify docs for g_settings_list_children
    
    The docs sound like settings list is a thing, and
    a ::children-changed signal exists. That is not the
    case, and will never be the case at this point, so
    stop pretending.
    
    Closes: #1362

 gio/gsettings.c | 13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)
---
diff --git a/gio/gsettings.c b/gio/gsettings.c
index ab7f43835..4f5a38cdd 100644
--- a/gio/gsettings.c
+++ b/gio/gsettings.c
@@ -2469,16 +2469,9 @@ g_settings_list_keys (GSettings *settings)
  * The list is exactly the list of strings for which it is not an error
  * to call g_settings_get_child().
  *
- * For GSettings objects that are lists, this value can change at any
- * time. Note that there is a race condition here: you may
- * request a child after listing it only for it to have been destroyed
- * in the meantime.  For this reason, g_settings_get_child() may return
- * %NULL even for a child that was listed by this function.
- *
- * For GSettings objects that are not lists, you should probably not be
- * calling this function from "normal" code (since you should already
- * know what children are in your schema).  This function may still be
- * useful there for introspection reasons, however.
+ * There is little reason to call this function from "normal" code, since
+ * you should already know what children are in your schema. This function
+ * may still be useful there for introspection reasons, however.
  *
  * You should free the return value with g_strfreev() when you are done
  * with it.