$NetBSD: patch-mksh.1,v 1.4 2013/08/18 10:00:12 bsiegert Exp $

Kill the .Dt override and restore installation a normal man page.
--- mksh.1.orig	2013-08-10 14:12:04.000000000 +0000
+++ mksh.1
@@ -59,22 +59,7 @@
 .	ds ha ^
 .	ds en \(em
 .\}
-.\"
-.\" Implement .Dd with the Mdocdate RCS keyword
-.\"
-.rn Dd xD
-.de Dd
-.ie \\$1$Mdocdate: \{\
-.	xD \\$2 \\$3, \\$4
-.\}
-.el .xD \\$1 \\$2 \\$3 \\$4 \\$5 \\$6 \\$7 \\$8
-..
-.\"
-.\" .Dd must come before definition of .Mx, because when called
-.\" with -mandoc, it might implement .Mx itself, but we want to
-.\" use our own definition. And .Dd must come *first*, always.
-.\"
-.Dd $Mdocdate: August 10 2013 $
+.Dd August 10 2013
 .\"
 .\" Check which macro package we use, and do other -mdoc setup.
 .\"