refactor: makes 'purge_feeds' disable by default

Author: Pathan-Amaankhan

admin/class-nginx-helper-admin.php

@@ -272,7 +272,7 @@ public function nginx_helper_default_settings() {
 			'purge_page_on_mod'                => 1,
 			'purge_page_on_new_comment'        => 1,
 			'purge_page_on_deleted_comment'    => 1,
-			'purge_feeds'                      => 1,
+			'purge_feeds'                      => 0,
 			'redis_hostname'                   => '127.0.0.1',
 			'redis_port'                       => '6379',
 			'redis_prefix'                     => 'nginx-cache:',