Update README.md

Author: danmarsden

README.md

@@ -11,8 +11,7 @@ A remote object storage file system for Moodle. Intended to provide a plug-in th
   * [Sharing files across environments to save time](#sharing-files-across-environments-to-save-time)
   * [Sharing files with data washed environments](#sharing-files-with-data-washed-environments)
 * [Installation](#installation)
-* [Currently supported object stores](#currently-supported-object-stores)
-  * [Roadmap](#roadmap)
+* [Compatible object stores](#compatible-object-stores)
   * [Amazon S3](#amazon-s3)
   * [Minio.io S3](#minio-s3)
   * [Google gcs](#google-gcs)