[nautilus] Flatpak: do not build gtk4 from source.

[Carlos Soriano <csoriano src gnome org>]

commit 6b64657848401ad7a7cc07b86db5d41ae4231906
Author: Jordan Petridis <jordanpetridis protonmail com>
Date:   Tue Oct 30 20:48:00 2018 +0000

    Flatpak: do not build gtk4 from source.
    
    Gtk4 is included in the master Sdk now.

 build-aux/flatpak/org.gnome.NautilusGtk4.yml | 34 ----------------------------
 1 file changed, 34 deletions(-)
---
diff --git a/build-aux/flatpak/org.gnome.NautilusGtk4.yml b/build-aux/flatpak/org.gnome.NautilusGtk4.yml
index 41ce19378..5f4e4a6a9 100644
--- a/build-aux/flatpak/org.gnome.NautilusGtk4.yml
+++ b/build-aux/flatpak/org.gnome.NautilusGtk4.yml
@@ -75,40 +75,6 @@ modules:
         url: "https://gitlab.gnome.org/GNOME/gnome-autoar.git";
         tag: "0.2.3"
 
-  - name: "wayland"
-    sources:
-      - type: "git"
-        url: "https://github.com/wayland-project/wayland.git";
-        tag: "1.15.91"
-    build-options:
-      config-opts:
-        - "--disable-documentation"
-    buildsystem: "autotools"
-
-  - name: "graphene"
-    sources:
-      - type: "git"
-        url: "https://github.com/ebassi/graphene.git";
-        tag: "1.8.2"
-    build-options:
-      config-opts:
-        - "-Dintrospection=false"
-        - "-Dtests=false"
-        - "-Dbenchmarks=false"
-    buildsystem: "meson"
-
-  - name: "gtk+"
-    sources:
-      - type: "git"
-        url: "https://gitlab.gnome.org/GNOME/gtk.git";
-    build-options:
-      config-opts:
-        - "-Dintrospection=false"
-        - "-Ddemos=true"
-        - "-Dbuild-examples=false"
-        - "-Dbuild-tests=false"
-    buildsystem: "meson"
-
   - name: "nautilus"
     buildsystem: "meson"
     build-options: