[frogr] Don't include json files in the dist tarball

[Mario Sanchez Prada <msanchez src gnome org>]

commit 92f8377502802c75c60ac44bdf89c6f459ee6d36
Author: Mario Sanchez Prada <msanchez gnome org>
Date:   Sun Apr 30 23:01:39 2017 +0100

    Don't include json files in the dist tarball
    
    Specially irrelevant if that file no longer exists.

 Makefile.am |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index cbc4cac..778bc7a 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -82,7 +82,6 @@ EXTRA_DIST = \
        MAINTAINERS \
        TRANSLATORS \
        autogen.sh \
-       org.gnome.frogr.json \
        src/flicksoup/COPYING \
        m4 \
        $(pixmap_DATA) \