style: apply Moodle coding standards

classes/privacy/provider.php

@@ -24,19 +24,19 @@
 
 namespace local_webhooks\privacy;
 
-defined('MOODLE_INTERNAL') || die();
-
+/**
+ * Declares that the plugin does not store personal data.
+ */
 class provider implements
     // This plugin does not store any personal user data.
     \core_privacy\local\metadata\null_provider {
-
     /**
      * Get the language string identifier with the component's language
      * file to explain why this plugin stores no data.
      *
      * @return string
      */
-    public static function get_reason() : string {
+    public static function get_reason(): string {
         return 'privacy:metadata';
     }
-}
+}