Draft: Resolve "Redesign audit class"

Related to #78

plugins/tasks/Audit.php

@@ -4,12 +4,11 @@ class Audit implements EndpointInterface
 {
 
   private TaskGateway $gateway;
-  private string $errorMessage;
+  private string $errorMessage = 'No audit requiring removal';
 
   public function __construct (TaskGateway $gateway)
   {
     $this->gateway = $gateway;
-    $this->errorMessage = 'No audit requiring removal';
   }
 
   /**
@@ -81,7 +80,7 @@ class Audit implements EndpointInterface
    * @return array
    * @throws Exception
    */
-  private function processScheduledTask(array $task): array
+  private function processScheduledTask (array $task): array
   {
       // Retrieve data from the main task.
       $auditMainTask = $this->getAuditMainTask($task['fdtasksgranularmaster'][0]);