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

This reverts commit 5c1aa631c5f5ec2f6b75ba1158178418e50ba11a.
diff --git a/system/core/Router.php b/system/core/Router.php
index 5388a92..748678d 100755
--- a/system/core/Router.php
+++ b/system/core/Router.php
@@ -141,7 +141,14 @@
 		}
 
 		// Load the routes.php file.
-		load_environ_config('routes');
+		if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/routes.php'))
+		{
+			include(APPPATH.'config/'.ENVIRONMENT.'/routes.php');
+		}
+		elseif (is_file(APPPATH.'config/routes.php'))
+		{
+			include(APPPATH.'config/routes.php');
+		}
 
 		$this->routes = ( ! isset($route) OR ! is_array($route)) ? array() : $route;
 		unset($route);