Remove autotools support
This replaces !31 (closed). All the TODO's listed in that page have been addressed and server-21.1-branch has been branched off master, so we can finally retire support for building with automake and friends.
This replaces !31 (closed). All the TODO's listed in that page have been addressed and server-21.1-branch has been branched off master, so we can finally retire support for building with automake and friends.