[gnome-games] core: Remove unused GameSource

[Adrien Plazas <aplazas src gnome org>]

commit 66d89c76e16610a02b49cb36f0df4428fcec148c
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Sun May 7 13:19:15 2017 +0200

    core: Remove unused GameSource
    
    This completes the move from the GameSource game discovery model to the
    UriSource, UriGameFactory and GameCollection one.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=781334

 src/Makefile.am           |    1 -
 src/core/game-source.vala |    5 -----
 2 files changed, 0 insertions(+), 6 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index 5e15258..bf6f067 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -45,7 +45,6 @@ gnome_games_SOURCES = \
        core/game.vala \
        core/game-callback.vala \
        core/game-collection.vala \
-       core/game-source.vala \
        core/game-uri-adapter.vala \
        core/icon.vala \
        core/input-capabilities.vala \