[gnome-builder] flatpak: drop writeable override

[Christian Hergert <chergert src gnome org>]

commit 6b7d3d6384c4acfccf82491e2fdf01d13272268a
Author: Christian Hergert <chergert redhat com>
Date:   Sat Jan 4 11:05:42 2020 -0800

    flatpak: drop writeable override

 build-aux/flatpak/org.gnome.Builder.json | 4 ----
 1 file changed, 4 deletions(-)
---
diff --git a/build-aux/flatpak/org.gnome.Builder.json b/build-aux/flatpak/org.gnome.Builder.json
index 2bf78b362..1693da42d 100644
--- a/build-aux/flatpak/org.gnome.Builder.json
+++ b/build-aux/flatpak/org.gnome.Builder.json
@@ -593,10 +593,6 @@
             ],
             "buildsystem" : "meson",
             "builddir" : true,
-            "ensure-writable" : [
-                "/usr/share/vala/vapi/gvls-0.14.vapi",
-                "/usr/share/vala/vapi/gvls-0.14.deps"
-           ],
             "sources" : [
                 {
                     "type" : "git",