games-misc/xcowsay: remove unused patch

Closes: https://github.com/gentoo/gentoo/pull/2841

Signed-off-by: David Seifert <soap@gentoo.org>

games-misc/xcowsay/files/xcowsay-1.2-no-dbus.patch

@@ -1,14 +0,0 @@
-diff --git a/configure.ac b/configure.ac
-index 3554e67..b8b66c1 100644
---- a/configure.ac
-+++ b/configure.ac
-@@ -35,8 +35,8 @@ AC_ARG_ENABLE(dbus,
-         [AS_HELP_STRING([--enable-dbus], [Build the DBus daemon.])],
-         [if test "$enableval" = "yes" ; then
-            modules="$xcowsayd_modules"
-+           CFLAGS="$CFLAGS -DWITH_DBUS"
-          fi
--         CFLAGS="$CFLAGS -DWITH_DBUS"
- 	 AC_FUNC_FORK])
- 
- PKG_CHECK_MODULES(XCOWSAY, $modules)