Revert "Abstracting the loading of files in the config directory depending on environments."

This reverts commit 5c1aa631c5f5ec2f6b75ba1158178418e50ba11a.
diff --git a/system/core/Loader.php b/system/core/Loader.php
index 83d134e..d42dbbf 100644
--- a/system/core/Loader.php
+++ b/system/core/Loader.php
@@ -1139,7 +1139,14 @@
 	 */
 	protected function _ci_autoloader()
 	{
-		load_environ_config('autoload');
+		if (defined('ENVIRONMENT') AND file_exists(APPPATH.'config/'.ENVIRONMENT.'/autoload.php'))
+		{
+			include(APPPATH.'config/'.ENVIRONMENT.'/autoload.php');
+		}
+		else
+		{
+			include(APPPATH.'config/autoload.php');
+		}
 
 		if ( ! isset($autoload))
 		{