[gnome-build-meta/matthiasc/3.38.4] Drop gtk3 patch

[Matthias Clasen <matthiasc src gnome org>]

commit 61ec2b8c15ed08f40c863351bc09846cc4ce8501
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Feb 16 14:00:58 2021 -0500

    Drop gtk3 patch
    
    This has been merged.

 elements/sdk/gtk+-3.bst |  2 --
 files/gtk/3076.patch    | 35 -----------------------------------
 2 files changed, 37 deletions(-)
---
diff --git a/elements/sdk/gtk+-3.bst b/elements/sdk/gtk+-3.bst
index eeb42977..71e2ce84 100644
--- a/elements/sdk/gtk+-3.bst
+++ b/elements/sdk/gtk+-3.bst
@@ -4,8 +4,6 @@ sources:
 - kind: tar
   url: gnome_downloads:gtk+/3.24/gtk+-3.24.25.tar.xz
   ref: 87e26b111d3b8a85ff218980a56f3e814257b8dd11e5c4d9a2803b423b08297c
-- kind: patch
-  path: files/gtk/3076.patch
 build-depends:
 - sdk/gtk-doc.bst
 - freedesktop-sdk.bst:public-stacks/buildsystem-meson.bst