Code refactor work. New optimised query to get invoice status summary for an account

app/Models/Service/Phone.php

@@ -8,10 +8,6 @@ namespace App\Models\Service;
  */
 class Phone extends Type
 {
-	protected $dates = [
-		'connect_at',
-		'expire_at',
-	];
 	protected $table = 'service_phone';
 
 	/* INTERFACES */