[gnome-games] appdata: Fix the project license

[Adrien Plazas <aplazas src gnome org>]

commit a9cc132cb561288c4b60675a6845cb2f05c106ec
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Sun Apr 9 14:57:17 2017 +0200

    appdata: Fix the project license
    
    Remove mention of "and GPL-2.0+" as the project as a whole is GPL-3.0+
    only.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=781036

 data/org.gnome.Games.appdata.xml.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/org.gnome.Games.appdata.xml.in b/data/org.gnome.Games.appdata.xml.in
index 3847916..da13893 100644
--- a/data/org.gnome.Games.appdata.xml.in
+++ b/data/org.gnome.Games.appdata.xml.in
@@ -2,7 +2,7 @@
 <application>
   <id type="desktop">org.gnome.Games.desktop</id>
   <licence>CC0</licence>
-  <project_license>GPL-3.0+ and GPL-2.0+</project_license>
+  <project_license>GPL-3.0+</project_license>
   <_name>Games</_name>
   <_summary>Simple game launcher for GNOME</_summary>