[gnome-shell] shell/app: Remove unused property ID

[Marge Bot <marge-bot src gnome org>]

commit e3a3f792005b7f7d6b95d83e0f56124da2d47986
Author: Florian Müllner <fmuellner gnome org>
Date:   Wed Feb 9 18:10:24 2022 +0100

    shell/app: Remove unused property ID
    
    Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2168>

 src/shell-app.c | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/src/shell-app.c b/src/shell-app.c
index 2ed23fab5b..8790dba0fe 100644
--- a/src/shell-app.c
+++ b/src/shell-app.c
@@ -93,7 +93,6 @@ enum {
   PROP_STATE,
   PROP_BUSY,
   PROP_ID,
-  PROP_DBUS_ID,
   PROP_ACTION_GROUP,
   PROP_ICON,
   PROP_APP_INFO