FrankenPHP: Remove unnecessary use statement to fix PHP warning (#813)

Currently when running octane:work with full error reporting
enabled it shows the following warning:

    INFO  Server running…

    Local: http://0.0.0.0:8000

    Press Ctrl+C to stop the server

       WARN  PHP Warning:  The use statement with non-compound name 'Throwable' has no effect in /app/vendor/laravel/octane/bin/frankenphp-worker.php on line 9

       WARN  PHP Warning:  The use statement with non-compound name 'Throwable' has no effect in /app/vendor/laravel/octane/bin/frankenphp-worker.php on line 9

       WARN  PHP Warning:  The use statement with non-compound name 'Throwable' has no effect in /app/vendor/laravel/octane/bin/frankenphp-worker.php on line 9

       WARN  PHP Warning:  The use statement with non-compound name 'Throwable' has no effect in /app/vendor/laravel/octane/bin/frankenphp-worker.php on line 9

       ...

Co-authored-by: Phil Bates <[email protected]>

Author: philbates35

bin/frankenphp-worker.php

@@ -6,7 +6,6 @@
 use Laravel\Octane\Stream;
 use Laravel\Octane\Worker;
 use Symfony\Component\HttpFoundation\Response;
-use Throwable;
 
 if ((! ($_SERVER['FRANKENPHP_WORKER'] ?? false)) || ! function_exists('frankenphp_handle_request')) {
     echo 'FrankenPHP must be in worker mode to use this script.';