Fix build.

rpavlik · rpavlik · commit 453ec086a3db · 2015-03-07T16:55:29.000-06:00
diff --git a/prep-package.cmd b/prep-package.cmd
@@ -16,5 +16,4 @@ move CONTRIBUTING.html OSVR-Unity-Dist\
 
 rem Copy the license and the notice
 xcopy LICENSE OSVR-Unity-Dist /Y
-xcopy NOTICE OSVR-Unity-Dist /Y
-xcopy CONTRIBUTING OSVR-Unity-Dist /Y
+xcopy NOTICE OSVR-Unity-Dist /Y
