Remove unecessaries SKIPIF sections for necessary extensions

Author: carusogabriel

Zend/tests/constant_expressions_classes.phpt

@@ -5,7 +5,7 @@ opcache.enable=1
 opcache.enable_cli=1
 opcache.optimization_level=-1
 --SKIPIF--
-<?php if (!extension_loaded('Zend OPcache') || php_sapi_name() != "cli") die("skip CLI only"); ?>
+<?php if (php_sapi_name() != "cli") die("skip CLI only"); ?>
 --FILE--
 <?php
 

ext/standard/tests/streams/bug64433.phpt

@@ -8,10 +8,6 @@ $res = @include dirname(__FILE__)."/../../../../sapi/cli/tests/php_cli_server.in
 if(!$res) {
 	die("skip could not open cli server script");
 }
-
-if (CURL_WRAPPERS_ENABLED) {
-	die("skip curl wrappers used");
-}
 ?>
 --FILE--
 <?php

ext/standard/tests/strings/bug68996.phpt

@@ -1,10 +1,5 @@
 --TEST--
 Bug #68996 (Invalid free of CG(interned_empty_string))
---SKIPIF--
-<?php
-if (getenv("USE_ZEND_ALLOC") !== "0")
-    print "skip Need Zend MM disabled";
-?>
 --INI--
 html_errors=1
 --FILE--