Remove explicit auth params (#3946)

* Remove explicit auth params (ref #3725)

Only take auth via header or cookie. This requires a new version
of lemmy-js-client for api tests to pass.

* rework api_crud

* remove remaining auth params, move logic to session middleware

* fmt, fix test

* update js client

* remove auth param from api tests

* Pass auth as header

* add !

* url vars, setHeader

* cleanup

* fmt

* update

* Updating for new lemmy-js-client.

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Co-authored-by: Dessalines <tyhou13@gmx.com>
Co-authored-by: Dessalines <dessalines@users.noreply.github.com>