Remove the "stat" shell function (stat op format target value).

It has been unused since revision 1.14 dated 2006-05-30.

usr.sbin/postinstall/postinstall

@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# $NetBSD: postinstall,v 1.141 2012/08/13 18:22:25 martin Exp $
+# $NetBSD: postinstall,v 1.142 2012/08/14 10:38:40 apb Exp $
 #
 # Copyright (c) 2002-2008 The NetBSD Foundation, Inc.
 # All rights reserved.
@@ -411,31 +411,6 @@ find_file_in_dirlist()
 	return 1
 }
 
-# stat op format target value
-#	Call stat(1) on the given target according to the given format,
-#	if stat(1) is available (it is presumed to live in /usr/bin).
-#	If it is not available, this routine will always succeed, otherwise
-#	it returns 0 or 1, depending on whether or not the output from
-#	stat(1) matches the expected value.
-#
-stat()
-{
-	_stop="$1"
-	_stfmt="$2"
-	_sttgt="$3"
-	_stval="$4"
-
-	if [ ! -x /usr/bin/stat ]; then
-		msg \
-    "(/usr/bin/stat not available; skipping ${_stop} on ${_sttgt})"
-		return 0
-	fi
-
-	_stres="$(/usr/bin/stat -q -f "${_stfmt}" "${_sttgt}")"
-	[ "${_stres}" = "${_stval}" ]
-	return $?
-}
-
 # file_exists_exact path
 #	Returns true if a file exists in the ${DEST_DIR} whose name
 #	is exactly ${path}, interpreted in a case-sensitive way