fix remaining tests for Opcache runs

The fail reason here is the TMP change while both top and test
run same binary with opcache enabled.

Author: weltling

ext/phar/tests/tar/phar_commitwrite.phpt

@@ -5,9 +5,6 @@ Phar::setStub()/stopBuffering() tar-based
 --INI--
 phar.require_hash=0
 phar.readonly=0
---ENV--
-TEMP=.
-TMP=.
 --FILE--
 <?php
 $p = new Phar(dirname(__FILE__) . '/brandnewphar.phar.tar', 0, 'brandnewphar.phar');

ext/phar/tests/tar/phar_setsignaturealgo2.phpt

@@ -9,9 +9,6 @@ if (!in_array('SHA-256', $arr)) die("skip hash extension loaded shared"); ?>
 --INI--
 phar.require_hash=0
 phar.readonly=0
---ENV--
-TEMP=.
-TMP=.
 --FILE--
 <?php
 $fname = dirname(__FILE__) . '/' . basename(__FILE__, '.php') . '.phar.tar';

ext/phar/tests/zip/phar_commitwrite.phpt

@@ -5,9 +5,6 @@ Phar::setStub()/stopBuffering() zip-based
 --INI--
 phar.require_hash=0
 phar.readonly=0
---ENV--
-TEMP=.
-TMP=.
 --FILE--
 <?php
 $p = new Phar(dirname(__FILE__) . '/brandnewphar.phar.zip', 0, 'brandnewphar.phar');