[gnome-todo] flatpak: Remove gtk4 and dependencies from manifest

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

commit 0d21fbaa2e416ccbacc64661623c66f8ce9412f3
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Mon Nov 5 21:07:02 2018 -0200

    flatpak: Remove gtk4 and dependencies from manifest
    
    GTK4 is available with the master SDK now.

 build-aux/flatpak/org.gnome.Todo.json | 45 -----------------------------------
 1 file changed, 45 deletions(-)
---
diff --git a/build-aux/flatpak/org.gnome.Todo.json b/build-aux/flatpak/org.gnome.Todo.json
index 1de8687..3339fd9 100644
--- a/build-aux/flatpak/org.gnome.Todo.json
+++ b/build-aux/flatpak/org.gnome.Todo.json
@@ -142,51 +142,6 @@
                 }
             ]
         },
-        {
-            "name" : "graphene",
-            "buildsystem" : "meson",
-            "builddir" : true,
-            "config-opts" : [
-                "--libdir=/app/lib"
-            ],
-            "sources" : [
-                {
-                    "type" : "git",
-                    "url" : "https://github.com/ebassi/graphene.git";
-                }
-            ]
-        },
-        {
-            "name" : "wayland",
-            "buildsystem" : "autotools",
-            "builddir" : true,
-            "config-opts" : [
-                "--disable-documentation"
-            ],
-            "sources" : [
-                {
-                    "type" : "git",
-                    "url" : "https://github.com/wayland-project/wayland.git";
-                }
-            ]
-        },
-        {
-            "name" : "gtk4",
-            "buildsystem" : "meson",
-            "builddir" : true,
-            "config-opts" : [
-                "--prefix=/app",
-                "--libdir=/app/lib",
-                "-Ddemos=false",
-                "-Dbuild-tests=false"
-            ],
-            "sources" : [
-                {
-                    "type" : "git",
-                    "url" : "https://gitlab.gnome.org/GNOME/gtk.git";
-                }
-            ]
-        },
         {
             "name" : "gnome-todo",
             "buildsystem" : "meson",