[vala] vapi: Remove clutter-json-1.0

[Rico Tzschichholz <ricotz src gnome org>]

commit 3575b12ca68c7c26e2b8ecff9325c1cf3029090b
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Tue Jan 17 12:58:45 2017 +0100

    vapi: Remove clutter-json-1.0
    
    It went obsolete since Clutter 1.6.0 has been released, 6 years ago.

 vapi/Makefile.am           |    1 -
 vapi/clutter-json-1.0.vapi |  154 --------------------------------------------
 2 files changed, 0 insertions(+), 155 deletions(-)
---
diff --git a/vapi/Makefile.am b/vapi/Makefile.am
index 4de889f..400933c 100644
--- a/vapi/Makefile.am
+++ b/vapi/Makefile.am
@@ -33,7 +33,6 @@ dist_vapi_DATA = \
        clutter-gtk-0.10.vapi \
        clutter-gtk-1.0.deps \
        clutter-gtk-1.0.vapi \
-       clutter-json-1.0.vapi \
        clutter-x11-1.0.deps \
        clutter-x11-1.0.vapi \
        cogl-1.0.vapi \