TODOs after major release

[danielpeintner]

This is an umbrella issue meant to collect tasks which should be done after our next major release. In general it is meant to clean-up stuff getting rid of old stuff that has been collected over the years.

• remove td-tools package (see Parsing, Default Manipulation and Validation Discussion td-tools#31)
  • tm-helpers, see Deprecating tm-helpers from node-wot #1296)
  • td-parser.ts, see docs: add deprecation message to td-tools #1310
  • resolver-interface.ts (exists in td-tools already)
  • td-helpers.ts, see refactor: remove unused findProtocol and findPort functions #1308
• ...