[gnome-contacts/wip/nieldsg/remove-unknown-meson-option] flatpak: Remove unknown 'tracing' option

[Niels De Graef <nielsdg src gnome org>]

commit ae1719d99f971297afbf1955f0a9008a3e5fda89
Author: Niels De Graef <nielsdegraef gmail com>
Date:   Fri Jan 10 19:25:25 2020 +0100

    flatpak: Remove unknown 'tracing' option

 data/flatpak/org.gnome.Contacts.Devel.json | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/data/flatpak/org.gnome.Contacts.Devel.json b/data/flatpak/org.gnome.Contacts.Devel.json
index 063cbb1..98ee420 100644
--- a/data/flatpak/org.gnome.Contacts.Devel.json
+++ b/data/flatpak/org.gnome.Contacts.Devel.json
@@ -196,7 +196,6 @@
             "name": "gnome-contacts",
             "buildsystem": "meson",
             "config-opts" : [
-                "-Dtracing=true",
                 "-Dprofile=development"
             ],
             "sources": [