Apply fixes from StyleCI (#1335)

Author: driesvints

database/factories/ClientFactory.php

@@ -2,7 +2,6 @@
 
 namespace Laravel\Passport\Database\Factories;
 
-use Faker\Generator as Faker;
 use Illuminate\Database\Eloquent\Factories\Factory;
 use Illuminate\Support\Str;
 use Laravel\Passport\Client;