Remove workarounds for PHP < 5.4.

Author: sebastianbergmann

PHP/CodeCoverage/Driver/Xdebug.php

@@ -67,8 +67,7 @@ public function __construct()
             throw new PHP_CodeCoverage_Exception('Xdebug is not loaded.');
         }
 
-        if (version_compare(phpversion('xdebug'), '2.2.0-dev', '>=') &&
-            !ini_get('xdebug.coverage_enable')) {
+        if (!ini_get('xdebug.coverage_enable')) {
             throw new PHP_CodeCoverage_Exception(
               'You need to set xdebug.coverage_enable=On in your php.ini.'
             );

PHP/CodeCoverage/Report/HTML/Renderer/File.php

@@ -43,20 +43,6 @@
  * @since      File available since Release 1.1.0
  */
 
-// @codeCoverageIgnoreStart
-if (!defined('T_TRAIT')) {
-    define('T_TRAIT', 1001);
-}
-
-if (!defined('T_INSTEADOF')) {
-    define('T_INSTEADOF', 1002);
-}
-
-if (!defined('T_CALLABLE')) {
-    define('T_CALLABLE', 1003);
-}
-// @codeCoverageIgnoreEnd
-
 /**
  * Renders a PHP_CodeCoverage_Report_Node_File node.
  *

PHP/CodeCoverage/Util.php

@@ -43,20 +43,6 @@
  * @since      File available since Release 1.0.0
  */
 
-// @codeCoverageIgnoreStart
-// @codingStandardsIgnoreStart
-/**
- * @SuppressWarnings(PHPMD)
- */
-if (!function_exists('trait_exists')) {
-    function trait_exists($name)
-    {
-        return FALSE;
-    }
-}
-// @codingStandardsIgnoreEnd
-// @codeCoverageIgnoreEnd
-
 /**
  * Utility methods.
  *