Remove files unused after pulling system call names from libsysdecode.

usr.bin/kdump/linux32_syscalls.conf

@@ -1,11 +0,0 @@
-# $FreeBSD$
-sysnames="linux32_syscalls.c"
-sysproto="/dev/null"
-sysproto_h=_LINUX32_SYSPROTO_H_
-syshdr="/dev/null"
-syssw="/dev/null"
-sysmk="/dev/null"
-syscallprefix="LINUX32_SYS_"
-switchname="/dev/null"
-namesname="linux32_syscallnames"
-systrace="/dev/null"

usr.bin/kdump/linux_syscalls.conf

@@ -1,11 +0,0 @@
-# $FreeBSD$
-sysnames="linux_syscalls.c"
-sysproto="/dev/null"
-sysproto_h=_LINUX_SYSPROTO_H_
-syshdr="/dev/null"
-syssw="/dev/null"
-sysmk="/dev/null"
-syscallprefix="LINUX_SYS_"
-switchname="/dev/null"
-namesname="linux_syscallnames"
-systrace="/dev/null"

usr.bin/truss/makesyscallsconf.sh

@@ -1,21 +0,0 @@
-#! /bin/sh
-# $FreeBSD$
-
-ABI="$1"
-CONF="$2"
-
-header="${ABI}_syscalls.h"
-
-cat > "${CONF}" << EOF
-sysnames="${header}.tmp"
-sysproto="/dev/null"
-sysproto_h="/dev/null"
-syshdr="/dev/null"
-sysmk="/dev/null"
-syssw="/dev/null"
-syshide="/dev/null"
-syscallprefix="SYS_"
-switchname="sysent"
-namesname="syscallnames"
-systrace="/dev/null"
-EOF