florian noticed unused etc/ssl/lib directory. jsing notes a release

near 0.9.7a mistakenly created this incorrect directory.  This was mimicked
into our mtree framework in 1998, where it survived for over 20 years.
ok jsing

src/etc/mtree/4.4BSD.dist

@@ -1,4 +1,4 @@
-#	$OpenBSD: 4.4BSD.dist,v 1.307 2019/02/11 13:39:32 florian Exp $
+#	$OpenBSD: 4.4BSD.dist,v 1.308 2019/04/01 07:21:37 deraadt Exp $
 
 /set type=dir uname=root gname=wheel mode=0755
 
@@ -103,8 +103,6 @@ etc
     ssl
         private			uname=root mode=0700
         ..
-        lib
-        ..
     ..
 
 ..