[mutter] clutter/actor: Remove unnecessary NULL check from paint_node()

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

commit 8ce3b3d99e4718b7f02ec5bdbdc70846cb35353c
Author: Jonas Ådahl <jadahl gmail com>
Date:   Fri Nov 22 09:19:28 2019 +0100

    clutter/actor: Remove unnecessary NULL check from paint_node()
    
    The function is static, only has one caller, that always passes a
    non-NULL pointer, so the NULL check just adds confusion.
    
    https://gitlab.gnome.org/GNOME/mutter/merge_requests/935

 clutter/clutter/clutter-actor.c | 3 ---
 1 file changed, 3 deletions(-)
---
diff --git a/clutter/clutter/clutter-actor.c b/clutter/clutter/clutter-actor.c
index 5e844eb79..991075e02 100644
--- a/clutter/clutter/clutter-actor.c
+++ b/clutter/clutter/clutter-actor.c
@@ -3801,9 +3801,6 @@ clutter_actor_paint_node (ClutterActor        *actor,
   ClutterActorBox box;
   ClutterColor bg_color;
 
-  if (root == NULL)
-    return FALSE;
-
   box.x1 = 0.f;
   box.y1 = 0.f;
   box.x2 = clutter_actor_box_get_width (&priv->allocation);