delete old testing index.php file

laravel/testing_docker/index.php

-<?php
-
-echo 'Let\'s Start.. ';
-
-try{
-	$pdo = new \PDO(
-	    'mysql:host=localdock;dbname=laravel', // you need to create the database manually when you boot the mysql docker container 
-	    'root',
-	    'pass'
-	);
-
-	echo 'I am connected to the DB. ';
-
-}catch(Exception $e){
-	echo $e;
-}
-
-	echo 'Everything is cool.';
-
-phpinfo();