docs: update sample code

Author: kenjis

user_guide_src/source/concepts/autoloader/001.php

@@ -8,8 +8,7 @@ class Autoload extends AutoloadConfig
 {
     // ...
     public $psr4 = [
-        APP_NAMESPACE => APPPATH, // For custom app namespace
-        'Config'      => APPPATH . 'Config',
+        APP_NAMESPACE => APPPATH,
     ];
 
     // ...

user_guide_src/source/dbmgmt/migration.rst

@@ -93,6 +93,7 @@ For example, assume that we have the following namespaces defined in our Autoloa
 configuration file:
 
 .. literalinclude:: migration/004.php
+    :lines: 2-
 
 This will look for any migrations located at both **APPPATH/Database/Migrations** and
 **ROOTPATH/MyCompany/Database/Migrations**. This makes it simple to include migrations in your

user_guide_src/source/dbmgmt/migration/004.php

@@ -1,6 +1,6 @@
 <?php
 
 $psr4 = [
-    'App'       => APPPATH,
-    'MyCompany' => ROOTPATH . 'MyCompany',
+    APP_NAMESPACE => APPPATH,
+    'MyCompany'   => ROOTPATH . 'MyCompany',
 ];

user_guide_src/source/general/modules/001.php

@@ -6,9 +6,9 @@
 
 class Autoload extends AutoloadConfig
 {
+    // ...
     public $psr4 = [
-        APP_NAMESPACE => APPPATH, // For custom namespace
-        'Config'      => APPPATH . 'Config',
+        APP_NAMESPACE => APPPATH,
         'Acme\Blog'   => ROOTPATH . 'acme/Blog',
     ];