docs(system): remove the SYSPATH definition check

system/guide/kohana/extension.md

@@ -10,7 +10,7 @@ The default Kohana classes, and many extensions, use this definition so that alm
 
 For instance, if you wanted to create method that sets encrypted cookies using the [Encrypt] class, you would create a file at `APPPATH/classes/Cookie.php` that extends Kohana_Cookie, and adds your functions:
 
-    <?php defined('SYSPATH') OR die('No direct script access.');
+    <?php
 
     class Cookie extends Kohana_Cookie
     {

system/guide/kohana/files/config.md

@@ -2,7 +2,7 @@
 
 Configuration files are used to store any kind of configuration needed for a module, class, or anything else you want. They are plain PHP files, stored in the `config/` directory, which return an associative array:
 
-    <?php defined('SYSPATH') OR die('No direct script access.');
+    <?php
 
     return [
         'setting' => 'value',
@@ -24,7 +24,7 @@ For example, if we wanted to change or add to an entry in the inflector configur
 
     // config/inflector.php
 
-    <?php defined('SYSPATH') OR die('No direct script access.');
+    <?php
 
     return [
         'irregular' => [
@@ -40,7 +40,7 @@ Let's say we want a config file to store and easily change things like the title
 
     // config/site.php
 
-    <?php defined('SYSPATH') OR die('No direct script access.');
+    <?php
 
     return [
         'title' => 'Our Shiny Website',
@@ -53,7 +53,7 @@ Let's say we want an archive of versions of some software. We could use config f
 
     // config/versions.php
 
-    <?php defined('SYSPATH') OR die('No direct script access.');
+    <?php
 
     return [
         '1.0.0' => [

system/guide/kohana/tutorials/hello-world.md

@@ -10,7 +10,7 @@ First off we have to make a controller that Kohana can use to handle a request.
 
 Create the file `application/classes/Controller/Hello.php` in your application folder and fill it out like so:
 
-    <?php defined('SYSPATH') OR die('No Direct Script Access');
+    <?php
 
     Class Controller_Hello extends Controller
     {
@@ -22,7 +22,7 @@ Create the file `application/classes/Controller/Hello.php` in your application f
 
 Lets see what's going on here:
 
-`<?php defined('SYSPATH') OR die('No Direct Script Access');`
+`<?php`
 :    You should recognize the first tag as an opening php tag (if you don't you should probably [learn php](http://php.net)). What follows is a small check that makes sure that this file is being included by Kohana. It stops people from accessing files directly from the url.
 
 `Class Controller_Hello extends Controller`
@@ -49,7 +49,7 @@ The proper way to code with an MVC framework is to use _views_ to handle the pre
 
 Lets change our original controller slightly:
 
-    <?php defined('SYSPATH') OR die('No Direct Script Access');
+    <?php
 
     Class Controller_Hello extends Controller_Template
     {