[Openid-specs-fapi] Issue #463: Remove/update various non-current documents (openid/fapi)

[josephheenan]

New issue 463: Remove/update various non-current documents
https://bitbucket.org/openid/fapi/issues/463/remove-update-various-non-current

Joseph Heenan:

There are various outdated or at least not currently correct documents in the git repo. We should clean them up to avoid any confusion that old documents might cause.

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Responsible: Joseph Heenan