move/remove code to respective repos

[labkode]

• Move sciencemesh fabric services to https://github.com/sciencemesh/reva-plugins
• Move sciencemesh EFFS testing to https://github.com/sciencemesh/dev-setup
• Remove unused code

[update-docs]

Thanks for opening this pull request! The maintainers of this repository would appreciate it if you would create a changelog item based on your changes.