[mutter] cursor-renderer: Remove unneeded NULL check

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

commit b319add04b710870400764177bbd92f747c1083b
Author: Jonas Ådahl <jadahl gmail com>
Date:   Wed Jul 29 11:07:32 2020 +0200

    cursor-renderer: Remove unneeded NULL check
    
    https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1391

 src/backends/meta-cursor-renderer.c | 4 ----
 1 file changed, 4 deletions(-)
---
diff --git a/src/backends/meta-cursor-renderer.c b/src/backends/meta-cursor-renderer.c
index 27c9d73001..c4d680235f 100644
--- a/src/backends/meta-cursor-renderer.c
+++ b/src/backends/meta-cursor-renderer.c
@@ -132,10 +132,6 @@ update_stage_overlay (MetaCursorRenderer *renderer,
   CoglTexture *texture;
   graphene_rect_t rect = GRAPHENE_RECT_INIT_ZERO;
 
-  /* During early initialization, we can have no stage */
-  if (!stage)
-    return;
-
   if (cursor_sprite)
     {
       rect = meta_cursor_renderer_calculate_rect (renderer, cursor_sprite);