[vegastrike] Remove another upstreamed patch

[Bruno Wolff III]

commit e81462ff04657b6db9321b4211f995e7a0cab313
Author: Bruno Wolff III <bruno at wolff.to>
Date:   Wed Apr 4 22:53:32 2012 -0500

    Remove another upstreamed patch

 vegastrike-libpng15.patch |   11 -----------
 vegastrike.spec           |    2 --
 2 files changed, 0 insertions(+), 13 deletions(-)
---
diff --git a/vegastrike.spec b/vegastrike.spec
index 5105a48..2b70351 100644
--- a/vegastrike.spec
+++ b/vegastrike.spec
@@ -21,7 +21,6 @@ Patch6:         vegastrike-0.5.1-sys-python.patch
 Patch8:         vegastrike-0.5.1-gcc44.patch
 Patch9:         vegastrike-0.5.0-glext.patch
 Patch12:        vegastrike-0.5.1-boost146.patch
-Patch13:        vegastrike-libpng15.patch
 Patch14:        vegastrike-0.5.1-gcc47.patch
 BuildRequires:  libGLU-devel freeglut-devel libXi-devel libXmu-devel gtk2-devel
 BuildRequires:  libjpeg-devel libpng-devel boost-devel expat-devel python-devel
@@ -49,7 +48,6 @@ Yet danger lurks in the space beyond.
 %patch8 -p0
 %patch9 -p1
 %patch12 -p0
-%patch13 -z libpng
 %patch14 -p1
 iconv -f ISO-8859-1 -t UTF-8 README > README.tmp
 touch -r README README.tmp