g_delayed_settings_backend_write_tree is dead code
@matthiasc
Submitted by Matthias Clasen Assigned to Allison (desrt)
Link to original bug (#720892)
Description
it would be called as the vfunc for write tree from g_delayed_settings_backend_apply, but looking at that function, it bypasses the vfunc and directly calls g_settings_backend_create_tree() plus g_settings_backend_write_tree on the nested backend