docs: update README

Author: kenjis

README.md

@@ -157,13 +157,9 @@ If your function explicitly outputs HTML code, you will want the raw output to b
 ~~~
 $ cd codeigniter-ss-twig
 $ composer install
-$ phpunit
+$ vendor/bin/phpunit
 ~~~
 
-## Other Twig Implementations for CodeIgniter 3.x
-
-* https://github.com/davidsosavaldes/Attire
-
 ## Related Projects for CodeIgniter 3.x
 
 * [CodeIgniter Composer Installer](https://github.com/kenjis/codeigniter-composer-installer)