UHF-10819: Removed x-robots-tag header in favor of nginx based solution

modules/helfi_robots_header/README.md

@@ -1,8 +1,3 @@
 # Helfi Robots Header
 
-Handles robots-tag header if `helfi_proxy` module can't be installed.
-
-This module adds `X-Robots-Tag: noindex, nofollow` to all page responses if `DRUPAL_X_ROBOTS_TAG_HEADER` if set to 1.
-
-**NOTE:** Because this duplicates some functionality from `helfi_proxy` module, both modules should not be enabled at the same time.
-
+This module is removed in favor of nginx based solution. See https://github.com/City-of-Helsinki/drupal-docker-images/blob/main/openshift/drupal/files/entrypoints/99-nginx.sh for more information.

modules/helfi_robots_header/helfi_robots_header.install

@@ -0,0 +1,18 @@
+<?php
+
+/**
+ * @file
+ * Contains install hooks for helfi_robots_header module.
+ */
+
+declare(strict_types=1);
+
+/**
+ * Uninstall the module.
+ */
+function helfi_robots_header_update_9001() : void {
+  /** @var \Drupal\Core\Extension\ModuleInstallerInterface $moduleInstaller */
+  $moduleInstaller = Drupal::service('module_installer');
+  $moduleInstaller->uninstall(['helfi_robots_header']);
+}
+