chore: remove unused $server property and add missing import

- Remove unused $server property and Server import from Advanced.php
- Add proper import for UpdateStripeCustomerEmailJob in User.php

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

app/Livewire/Settings/Advanced.php

@@ -3,15 +3,12 @@
 namespace App\Livewire\Settings;
 
 use App\Models\InstanceSettings;
-use App\Models\Server;
 use App\Rules\ValidIpOrCidr;
 use Livewire\Attributes\Validate;
 use Livewire\Component;
 
 class Advanced extends Component
 {
-    public ?Server $server = null;
-
     public InstanceSettings $settings;
 
     #[Validate('boolean')]
@@ -60,9 +57,6 @@ public function mount()
         if (! isInstanceAdmin()) {
             return redirect()->route('dashboard');
         }
-        if (! isCloud()) {
-            $this->server = Server::findOrFail(0);
-        }
         $this->settings = instanceSettings();
         $this->custom_dns_servers = $this->settings->custom_dns_servers;
         $this->allowed_ips = $this->settings->allowed_ips;

app/Models/User.php

@@ -2,6 +2,7 @@
 
 namespace App\Models;
 
+use App\Jobs\UpdateStripeCustomerEmailJob;
 use App\Notifications\Channels\SendsEmail;
 use App\Notifications\TransactionalEmails\ResetPassword as TransactionalEmailsResetPassword;
 use App\Traits\DeletesUserSessions;
@@ -437,7 +438,7 @@ public function confirmEmailChange(string $code): bool
         // For cloud users, dispatch job to update Stripe customer email asynchronously
         $currentTeam = $this->currentTeam();
         if (isCloud() && $currentTeam?->subscription) {
-            dispatch(new \App\Jobs\UpdateStripeCustomerEmailJob(
+            dispatch(new UpdateStripeCustomerEmailJob(
                 $currentTeam,
                 $this->id,
                 $newEmail,