refactor: code style changes

Signed-off-by: miguel456 <me@nogueira.codes>

app/Notifications/ApplicationConfirmed.php

@@ -4,7 +4,6 @@ namespace App\Notifications;
 
 use App\Application;
 use Illuminate\Bus\Queueable;
-use Illuminate\Contracts\Queue\ShouldQueue;
 use Illuminate\Notifications\Messages\MailMessage;
 use Illuminate\Notifications\Notification;
 
@@ -44,13 +43,13 @@ class ApplicationConfirmed extends Notification
     public function toMail($notifiable)
     {
         return (new MailMessage)
-            ->greeting('Hi ' . $notifiable->name . ',')
+            ->greeting('Hi '.$notifiable->name.',')
             ->from(config('notification.sender.address'), config('notification.sender.name'))
-            ->subject(config('app.name') . ' - application confirmed')
+            ->subject(config('app.name').' - application confirmed')
             ->line('We\'re writing you to let you know that your recent application with us has been received, and will be processed in 24/48 hours.')
             ->line('You will receive regular notifications about your application\'s status.')
             ->action('View active applications', url(route('showUserApps')))
-            ->salutation('The team at ' . config('app.name'));
+            ->salutation('The team at '.config('app.name'));
     }
 
     /**