[metacity] accellabel: simplify meta_accel_label_update

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 339cfb107596da314401cbe8b95de2ea14ba5fc8
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Mar 14 19:07:39 2021 +0200

    accellabel: simplify meta_accel_label_update

 src/ui/metaaccellabel.c | 3 ---
 1 file changed, 3 deletions(-)
---
diff --git a/src/ui/metaaccellabel.c b/src/ui/metaaccellabel.c
index 99de77d0d..edca8183d 100644
--- a/src/ui/metaaccellabel.c
+++ b/src/ui/metaaccellabel.c
@@ -337,9 +337,6 @@ meta_accel_label_update (MetaAccelLabel *accel_label)
 
   class = META_ACCEL_LABEL_GET_CLASS (accel_label);
 
-  g_free (accel_label->accel_string);
-  accel_label->accel_string = NULL;
-
   gstring = g_string_new ("   ");
 
   if (accel_label->accel_mods & META_VIRTUAL_SHIFT_MASK)