Small code refactoring

locallib.php

@@ -75,8 +75,7 @@ function local_webhooks_cache_reset() {
  * @return string
  */
 function local_webhooks_serialization_data($data) {
-    $result = serialize($data);
-    return $result;
+    return serialize($data);
 }
 
 /**
@@ -86,8 +85,7 @@ function local_webhooks_serialization_data($data) {
  * @return array|object
  */
 function local_webhooks_deserialization_data($data) {
-    $result = unserialize($data);
-    return $result;
+    return unserialize($data);
 }
 
 /**
@@ -124,6 +122,7 @@ class local_webhooks_events {
     public static function response_answer($objectid = 0, $response = array()) {
         $context = context_system::instance();
         $status  = "Error sending request";
+
         if (!empty($response["HTTP/1.1"])) {
             $status = $response["HTTP/1.1"];
         }