Delete the example tcp stack "fastpath" which

was only put in has an example.

Sponsored by:	Netflix inc.
Differential Revision:	https://reviews.freebsd.org/D16420

sys/modules/tcp/Makefile

@@ -6,12 +6,10 @@ SYSDIR?=${SRCTOP}/sys
 .include "${SYSDIR}/conf/kern.opts.mk"
 
 SUBDIR=	\
-	${_tcp_fastpath} \
         ${_tcp_rack} \
 	${_tcpmd5} \
 
 .if ${MK_EXTRA_TCP_STACKS} != "no" || defined(ALL_MODULES)
-_tcp_fastpath=	fastpath
 _tcp_rack= 	rack
 .endif
 

sys/modules/tcp/fastpath/Makefile

@@ -1,18 +0,0 @@
-#
-# $FreeBSD$
-#
-
-.PATH: ${SRCTOP}/sys/netinet/tcp_stacks
-
-KMOD=	fastpath
-SRCS=	fastpath.c
-
-SRCS+=	opt_inet.h opt_inet6.h opt_ipsec.h
-SRCS+=	opt_tcpdebug.h
-
-#
-# Enable full debugging
-#
-#CFLAGS += -g
-
-.include <bsd.kmod.mk>