[gnome-boxes] notifications: Remove leftover ui file from the Toast port

[Felipe Borges <felipeborges src gnome org>]

commit 74136808f875ad29245aabb37bf288ca8d9f74d3
Author: Felipe Borges <felipeborges gnome org>
Date:   Fri Jan 21 17:09:01 2022 +0100

    notifications: Remove leftover ui file from the Toast port

 data/gnome-boxes.gresource.xml |  1 -
 data/ui/notification.ui        | 62 ------------------------------------------
 2 files changed, 63 deletions(-)
---
diff --git a/data/gnome-boxes.gresource.xml b/data/gnome-boxes.gresource.xml
index f89865a9..e0e4e85e 100644
--- a/data/gnome-boxes.gresource.xml
+++ b/data/gnome-boxes.gresource.xml
@@ -18,7 +18,6 @@
     <file preprocess="xml-stripblanks" alias="gtk/help-overlay.ui">ui/kbd-shortcuts-window.ui</file>
     <file preprocess="xml-stripblanks">ui/list-view.ui</file>
     <file preprocess="xml-stripblanks">ui/list-view-row.ui</file>
-    <file preprocess="xml-stripblanks">ui/notification.ui</file>
     <file preprocess="xml-stripblanks">ui/searchbar.ui</file>
     <file preprocess="xml-stripblanks">ui/thumbnail.ui</file>
     <file preprocess="xml-stripblanks">ui/topbar.ui</file>