[gnome-builder] build-aux: remove migration path

[Christian Hergert <chergert src gnome org>]

commit 90ee0d557d54e809d1c3239e6e8a8c15dca42a4e
Author: Christian Hergert <chergert redhat com>
Date:   Wed Jul 13 11:15:12 2022 -0700

    build-aux: remove migration path
    
    We don't need this since .Devel is a new app-id.

 build-aux/flatpak/org.gnome.Builder.Devel.json | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/build-aux/flatpak/org.gnome.Builder.Devel.json b/build-aux/flatpak/org.gnome.Builder.Devel.json
index 78d9909fe..5630c5c58 100644
--- a/build-aux/flatpak/org.gnome.Builder.Devel.json
+++ b/build-aux/flatpak/org.gnome.Builder.Devel.json
@@ -50,7 +50,6 @@
         "--filesystem=~/.local/share/flatpak",
         "--filesystem=xdg-data/meson",
         "--filesystem=/var/lib/flatpak",
-        "--metadata=X-DConf=migrate-path=/org/gnome/builder/",
         "--env=G_SLICE=always-malloc"
     ],
     "x-run-args" : [