Remove register_globals regression test for Pierre

Zend/tests/unset_cv06.phpt

@@ -1,26 +0,0 @@
---TEST--
-unset() CV 6 (indirect unset() of global variable in session_unset())
---SKIPIF--
-<?php include(dirname(__FILE__).'/../../ext/session/tests/skipif.inc'); ?>
---INI--
-register_globals=1
-session.auto_start=0
-session.save_handler=files
---FILE--
-<?php
-$x = "1\n";
-session_start();
-echo $x;
-session_register('x');
-$_SESSION['x'] = "2\n";
-echo $x;
-session_unset();
-echo $x;
-echo "ok\n";
-?>
---EXPECTF--
-1
-2
-
-Notice: Undefined variable: x in %sunset_cv06.php on line %d
-ok