[pitivi] Ignore the json files generated for Flatpak

[Alexandru Băluț <alexbalut src gnome org>]

commit 5a2ac947c97b5a3a642c807f3fb1cb3c1c00d55f
Author: Alexandru Băluț <alexandru balut gmail com>
Date:   Wed Aug 17 21:52:57 2016 +0200

    Ignore the json files generated for Flatpak
    
    Reviewed-by: Thibault Saunier <tsaunier gnome org>
    Differential Revision: https://phabricator.freedesktop.org/D1286

 .gitignore |    6 +-----
 1 files changed, 1 insertions(+), 5 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index 15c6d47..8b5d15a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,10 +6,8 @@
 
 # Generated by configure
 mesonbuild/
-
 Makefile
 bin/pitivi
-data/pitivi.desktop.in
 pitivi/configure.py
 *__pycache__*
 
@@ -26,7 +24,5 @@ help/index.cache
 # xdg-app/flatpak
 .bashrc
 build/flatpak/.flatpak-builder
-build/flatpak/pitivi*.json
-build/xdg-app/.xdg-app-builder/
-build/xdg-app/pitivi-*.json
+build/flatpak/Pitivi.*.json
 build/devel/