[gnome-continuous] Drop json-c patch

[Emmanuele Bassi <ebassi src gnome org>]

commit 7b6fe8f1a42a45d1c3c7d7003af5c93a69c9c67e
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Fri Oct 23 10:24:01 2015 +0100

    Drop json-c patch
    
    There isn't a Makefile.am.inc to be patched any more.

 manifest.json                                      |    3 +-
 ...-failure-by-adding-Wno-error-unused-value.patch |   25 --------------------
 2 files changed, 1 insertions(+), 27 deletions(-)
---
diff --git a/manifest.json b/manifest.json
index d323b5f..ca6019b 100644
--- a/manifest.json
+++ b/manifest.json
@@ -681,8 +681,7 @@
                 {"src": "gnome:libgnomekbd"}, 
 
                {"src": "git:git://github.com/json-c/json-c.git",
-                "patches": ["json-c-autogen.patch",
-                             "json-c-Fix-build-failure-by-adding-Wno-error-unused-value.patch"]},
+                "patches": ["json-c-autogen.patch"]},
 
                {"src": "gnome:mobile-broadband-provider-info"},