[retro-gtk] Drop unused retro-video-converter.c

[Adrien Plazas <aplazas src gnome org>]

commit 91ecf3fbc7c31bac535380e65d0c7291f30bb560
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Thu Oct 12 15:54:22 2017 +0200

    Drop unused retro-video-converter.c

 retro-gtk/Makefile.am             |    1 -
 retro-gtk/retro-video-converter.c |  175 -------------------------------------
 2 files changed, 0 insertions(+), 176 deletions(-)
---
diff --git a/retro-gtk/Makefile.am b/retro-gtk/Makefile.am
index 4f91e5d..6b029ca 100644
--- a/retro-gtk/Makefile.am
+++ b/retro-gtk/Makefile.am
@@ -102,7 +102,6 @@ libretro_gtk_la_SOURCES = \
        retro-pixel-format.c \
        retro-pointer-id.c \
        retro-rumble-effect.c \
-       retro-video-converter.c \
        retro-video-filter.c \
        retro-core.c \
        retro-environment.c \