[gnome-sdk-images] Drop zenity, as it is now in fd.o

[Mathieu Bridon <mbridon src gnome org>]

commit b052fb2efa64fda919b495afaa83306eb724f82d
Author: Mathieu Bridon <bochecha daitauha fr>
Date:   Tue May 30 15:05:49 2017 +0200

    Drop zenity, as it is now in fd.o

 org.gnome.Sdk.json.in |   11 -----------
 1 files changed, 0 insertions(+), 11 deletions(-)
---
diff --git a/org.gnome.Sdk.json.in b/org.gnome.Sdk.json.in
index e254459..c38653e 100644
--- a/org.gnome.Sdk.json.in
+++ b/org.gnome.Sdk.json.in
@@ -813,17 +813,6 @@
             ]
         },
         {
-            "name": "zenity",
-            "cleanup": [ "/share/help" ],
-            "config-opts": ["--disable-webkitgtk" ],
-            "sources": [
-                {
-                    "type": "git",
-                    "url": "git://git.gnome.org/zenity"
-                }
-            ]
-        },
-        {
             "name": "yelp",
             "sources": [
                 {