Remove Illuminate\Remote\RemoteServiceProvider as it's no longer part of the basic installation.

```
PHP Fatal error:  Class 'Illuminate\Remote\RemoteServiceProvider' not found in /Users/crynobone/Projects/orchestra/platform/vendor/laravel/framework/src/Illuminate/Foundation/ProviderRepository.php on line 157
PHP Stack trace:
PHP   1. {main}() /Users/crynobone/Projects/orchestra/platform/artisan:0
PHP   2. require_once() /Users/crynobone/Projects/orchestra/platform/artisan:30
PHP   3. require() /Users/crynobone/Projects/orchestra/platform/bootstrap/start.php:56
PHP   4. Illuminate\Foundation\ProviderRepository->load() /Users/crynobone/Projects/orchestra/platform/vendor/laravel/framework/src/Illuminate/Foundation/start.php:210
PHP   5. Illuminate\Foundation\ProviderRepository->compileManifest() /Users/crynobone/Projects/orchestra/platform/vendor/laravel/framework/src/Illuminate/Foundation/ProviderRepository.php:57
PHP   6. Illuminate\Foundation\ProviderRepository->createProvider() /Users/crynobone/Projects/orchestra/platform/vendor/laravel/framework/src/Illuminate/Foundation/ProviderRepository.php:121
{"error":{"type":"Symfony\\Component\\Debug\\Exception\\FatalErrorException","message":"Class 'Illuminate\\Remote\\RemoteServiceProvider' not found","file":"\/Users\/crynobone\/Projects\/orchestra\/platform\/vendor\/laravel\/framework\/src\/Illuminate\/Foundation\/ProviderRepository.php","line":157}}Script php artisan clear-compiled handling the post-update-cmd event returned with an error

However another PR also needed to solved it, available at laravel/framework#5511

Signed-off-by: crynobone <crynobone@gmail.com>