[gnome-games] Remove png.py from Makefile

[Robert Ancell <rancell src gnome org>]

commit ef3ee31985fef3de14a6fc57d82e77bc56987877
Author: Robert Ancell <robert ancell gmail com>
Date:   Mon Jun 28 17:20:41 2010 +1000

    Remove png.py from Makefile

 glchess/src/lib/scene/opengl/Makefile.am |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/glchess/src/lib/scene/opengl/Makefile.am b/glchess/src/lib/scene/opengl/Makefile.am
index 8457bb5..c0c6d8a 100644
--- a/glchess/src/lib/scene/opengl/Makefile.am
+++ b/glchess/src/lib/scene/opengl/Makefile.am
@@ -3,7 +3,6 @@ glchess_PYTHON = \
 	__init__.py	\
 	models.py	\
 	opengl.py	\
-	texture.py	\
-	png.py
+	texture.py
 
 -include $(top_srcdir)/git.mk