corrects anchor errors

[fairlydurable]

• Hides anchors for sections that were never written during IA reorganization
• Aligns anchors between SDKs for consistency
• Fixes anchors that were pointing to "obvious" anchor instead of correct anchor
• Fixes incorrect anchors

Reviewers: please make sure to download this branch and check that yarn builds cleanly without anchor errors.

$ cd documentation $ git fetch --all $ git checkout --track origin/EDU-2889 branch 'EDU-2889' set up to track 'origin/EDU-2889'. Switched to a new branch 'EDU-2889' $ git branch

• EDU-2889 main $ git status On branch EDU-2889 Your branch is up to date with 'origin/EDU-2889'.

nothing to commit, working tree clean $ yarn build ...

[jsundai]

Thanks so much for this work. Ran yarn buildand it was successful! I think next time, we can just ask any contributors to revert or avoid changing the anchors if it's not completely neccessary since it will affect the rest of what may be referencing it.