The page said encrypted bridges cannot work with MAS and that a solution
was being worked on. That solution is MSC4190, stable since Matrix 1.17
and enabled for every application service in Synapse 1.141.0, so the
limitation no longer exists.
Replace the page with a readiness item on the migration page, which is
where the original warning was aimed, and redirect the old URL there.
- Removes mentions of the `mas-cli templates save` command
- Removes the old `experimental` flags
- Removes the old `policy.data.passwords` configs
- Document the `policy.data.client_registration` flags
- Remove references to the pre-built macOS binaries
- Explains how to get syn2mas
- State that you need to prepare the database before importing data
- Clean up the reverse proxy documentation
- Clarify that you don't need to provede templates/policy/assets
manually when running the docker image