[retro-gtk] retro-gtk: Remove useless display interface

[Adrien Plazas <aplazas src gnome org>]

commit 30b19c2bdff4118a2fc3fb9e11d86b5db33bd97c
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Thu Jan 19 17:16:18 2017 +0100

    retro-gtk: Remove useless display interface
    
    https://bugzilla.gnome.org/show_bug.cgi?id=777482

 retro-gtk/Makefile.am              |    1 -
 retro-gtk/video/cairo-display.vala |    2 +-
 retro-gtk/video/display.vala       |   13 -------------
 3 files changed, 1 insertions(+), 15 deletions(-)
---
diff --git a/retro-gtk/Makefile.am b/retro-gtk/Makefile.am
index 113d092..e4d9eac 100644
--- a/retro-gtk/Makefile.am
+++ b/retro-gtk/Makefile.am
@@ -37,7 +37,6 @@ libretro_gtk_la_SOURCES = \
        input/virtual-gamepad.vala \
        \
        video/cairo-display.vala \
-       video/display.vala \
        video/video-converter.c \
        video/video-converter.h \
        $(NULL)
diff --git a/retro-gtk/video/cairo-display.vala b/retro-gtk/video/cairo-display.vala
index f8ae147..d8f11fd 100644
--- a/retro-gtk/video/cairo-display.vala
+++ b/retro-gtk/video/cairo-display.vala
@@ -1,6 +1,6 @@
 // This file is part of RetroGtk. License: GPLv3
 
-public class RetroGtk.CairoDisplay : Gtk.DrawingArea, Retro.Video, Display {
+public class RetroGtk.CairoDisplay : Gtk.DrawingArea, Retro.Video {
        private Retro.Core _core;
        public Retro.Core core {
                get { return _core; }