remove Ori Filesystem (unmaintained)

- unmaintained since 2019
- removed from Debian https://tracker.debian.org/pkg/ori, https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=912175
- ref. #405

README.md

@@ -296,7 +296,6 @@ _See also: [IT Asset Management]([Ralph](#it-asset-management))_
 * [Minio](https://minio.io/) - Minio is an open source object storage server compatible with Amazon S3 APIs. ([Source Code](https://github.com/minio/minio)) `Apache-2.0` `Go`
 * [MooseFS](http://www.moosefs.org/) - Fault tolerant, network distributed file system.
 * [OpenAFS](http://www.openafs.org/) - Distributed network file system with read-only replicas and multi-OS support.
-* [Ori Filesystem](http://ori.scs.stanford.edu/) - A Secure Distributed File System built for offline operation.
 * [Perkeep](https://perkeep.org/) (née Camlistore) - A set of open source formats, protocols, and software for modeling, storing, searching, sharing and synchronizing data.
 * [Swift](http://docs.openstack.org/developer/swift/) - A highly available, distributed, eventually consistent object/blob store.
 * [SheepDog](https://sheepdog.github.io/sheepdog/) - A distributed Blockdevice, Rest, QEMU and distributed Filesystem storage.