remove IPX support as it was dropped for CURRENT

svn path=/head/; revision=349706

games/heretic/Makefile

@@ -59,6 +59,7 @@ post-extract:
 		> ${WRKSRC}/heretic_share.wad
 .endif
 	@${FIND} ${WRKSRC} -name .depend -type f -delete
+	@${RM} ${WRKSRC}/i_ipx.c
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/${BINARY} ${PREFIX}/bin/heretic

games/heretic/files/patch-ai

@@ -1,11 +0,0 @@
---- i_ipx.c	Sat Oct 23 05:02:21 1999
-+++ i_ipx.c.new	Sun Feb 13 03:59:27 2000
-@@ -20,7 +20,7 @@
- #include <netipx/ipx.h>
- #else
- #define MYSOCKLEN_T int
--#include <linux/ipx.h>
-+#include <netipx/ipx.h>
- #endif /* __GLIBC__ */
- 
- #define IPXSETUP_COMPAT    /* be compatible with ipxsetup.exe */