Update README.md

Author: hermawanramadhan

README.md

@@ -18,28 +18,11 @@ For more complete example and demo please visit [Documentation here](https://cod
 
 ## Installing 
 
-### Using composer (recommended)
+### Using composer 
 Use composer to install CodeIgniter4-DataTables into your project :
 
   > composer require hermawan/codeigniter4-datatables
 
-### Manual installation
-Or If you prefer not to use Composer to install, you can install manually. 
-Download this from git repository. Extract and rename folder to `codeigniter4-datatables` in example place this on `ThirdParty` folder. 
-
-also this library need download dependency: 
-- this library require `php-sql-parser`. download here https://github.com/greenlion/PHP-SQL-Parser Extract and rename also to `php-sql-parser`.
-Then open `app/Config/Autoload.php` and add namespace to the `$psr4` array.
-
-```php
-$psr4 = [
-     APP_NAMESPACE => APPPATH, // For custom app namespace
-     'Config'      => APPPATH . 'Config',
-     'PHPSQLParser'          => APPPATH .'ThirdParty/php-sql-parser/src/PHPSQLParser', // <-- namespace for php-sql-parser
-     'Hermawan\DataTables'   => APPPATH .'ThirdParty/codeigniter4-datatables/src', // <-- namespace for this library
-];
-```
-
 
 ## Simple Initializing