Remove description of old, pre-POSIX behavior wrt. suffixes.

usr.bin/basename/basename.1

@@ -33,7 +33,7 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     from: @(#)basename.1	8.2 (Berkeley) 4/18/94
-.\"	$Id: basename.1,v 1.7 1994/09/26 01:57:08 glass Exp $
+.\"	$Id: basename.1,v 1.8 1994/09/26 23:57:17 jtc Exp $
 .\"
 .Dd April 18, 1994
 .Dt BASENAME 1
@@ -57,14 +57,6 @@ and a
 .Ar suffix ,
 if given.
 The resulting filename is written to the standard output.
-If
-.Ar string
-ends in the slash character
-.Ql /
-or is the same as the
-.Ar suffix
-argument,
-a newline is output.
 A non-existent suffix is ignored.
 .Pp
 .Nm Dirname