Remove utterly bogus tests.

There is no implicit file close at scope exit in Perl 6, and the tests
only appeared to work in any sense on non-Windows because you can
unlink an open file there (and on Windows not).

Author: jnthn

S16-filehandles/unlink.t

@@ -1,6 +1,6 @@
 use v6;
 use Test;
-plan 6;
+plan 3;
 
 # L<S29/IO/unlink>
 # old: L<S16/"Filehandles, files, and directories"/"unlink">
@@ -9,10 +9,6 @@ sub nonce() { "unlink-t-testfile-" ~ 1000.rand }
 
 my $fn = "unlink-test-file" ~ nonce;
 
-my $iswin32 = $*DISTRO.is-win
-  ?? "Timely closing of file handles does not yet work"
-  !! False;
-
 # open, explicit close, unlink, test
 {
   my $fh = open($fn, :w);
@@ -23,14 +19,5 @@ my $iswin32 = $*DISTRO.is-win
   ok $fn.IO !~~ :e,  "unlink() actually deleted the tempfile";
 }
 
-# open, implicit close because of scope exit, unlink, test
-{
-  { my $fh = open($fn, :w) }
-
-  ok $fn.IO ~~ :e,   "open() created a tempfile";
-  ok(unlink($fn), "unlink() returned true");
-  #?rakudo skip 'implicit closure of file handle at scope exit NYI (FAILS ON WINDOWS) (noauto)'
-  ok $fn.IO !~~ :e,  "unlink() actually deleted the tempfile";
-}
 
 # vim: ft=perl6