38d0db4be5
In this PR, I have: - removed the docs for Manager (including the sources for Manager 2.1 and the upgrade guides). - added redirects to https://manager.docs.scylladb.com/. - replaced the internal links with external links to https://manager.docs.scylladb.com/. Closes #11162 * github.com:scylladb/scylladb: doc: update the link to fix the warning about duplicate targets Update docs/kb/gc-grace-seconds.rst Update docs/_utils/redirects.yaml doc: update the links to Manager doc: add the link to manager.docs.scylladb.com to the toctree doc: remove the docs for Manager - the Manager page, the guide for Manager 2.1, Manger upgrade guides doc: add redirections from Manager 2.1 to the Manager docs doc: add redirections to manager.docs.scylladb.com