don't keep minix-port.patch files in repo

. causes git noise, and unnecessary conflicts
	. are easily generated with 'make nbsd_diff' in tools/

lib/libterminfo/minix-port.patch

@@ -1,25 +0,0 @@
-diff -ru nbsdsrc/src/lib/libterminfo/Makefile lib/libterminfo/Makefile
---- nbsdsrc/src/lib/libterminfo/Makefile
-+++ lib/libterminfo/Makefile
-@@ -1,6 +1,11 @@
- #	$NetBSD: Makefile,v 1.12 2010/07/06 05:59:53 mrg Exp $
- 
-+.if defined(__MINIX)
-+.include "minix-config.inc"
-+USE_SHLIBDIR=	no
-+.else
- USE_SHLIBDIR=	yes
-+.endif
- 
- LIB=		terminfo
- WARNS=		4
-@@ -54,7 +59,9 @@
- gen: hash compiled_terms man
- 
- .include <bsd.own.mk>
-+.if !defined(__MINIX)
- .include <bsd.shlib.mk>
-+.endif
- 
- .if ${MKLINKLIB} != "no"
- SYMLINKS+=	libterminfo.a ${LIBDIR}/libtermcap.a

lib/nbsd_libm/minix-port.patch

@@ -1,28 +0,0 @@
-diff -ru nbsdsrc/src/lib/libm/Makefile lib/nbsd_libm/Makefile
---- nbsdsrc/src/lib/libm/Makefile
-+++ lib/nbsd_libm/Makefile
-@@ -13,6 +13,10 @@
- #
- #
- 
-+.if ${MACHINE_ARCH} == "unknown"
-+MACHINE_ARCH:= ${MACHINE}
-+.endif
-+
- #
- # There are two options in making libm at fdlibm compile time:
- # 	_IEEE_LIBM 	--- IEEE libm; smaller, and somewhat faster
-diff -ru nbsdsrc/src/lib/libm/arch/i387/fenv.c lib/nbsd_libm/arch/i387/fenv.c
---- nbsdsrc/src/lib/libm/arch/i387/fenv.c
-+++ lib/nbsd_libm/arch/i387/fenv.c
-@@ -122,8 +122,10 @@
- 	size_t oldlen = sizeof(__HAS_SSE);
- 	int rv;
- 
-+#ifndef __minix
- 	rv = sysctlbyname("machdep.sse", &__HAS_SSE, &oldlen, NULL, 0);
- 	if (rv == -1)
-+#endif
- 		__HAS_SSE = 0;
- }
-