cleanup CI config (#4983)

* [DIRTY] cleanup CI config

* remove pip install command

* fix syntax

* fix jobs

* fix syntax

* add support for editable install

* sync

* fix sudo apt install

* fix editable install

* sync

* try pip without user install

* [DIRTY] address review comments

* [DIRTY] try use dynamic name

* switch logic

* address remaining comments

* cleanup

* more cleanup

* fix enabling prototype tests

* Update .circleci/config.yml.in

Co-authored-by: Nicolas Hug <[email protected]>

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Co-authored-by: Nicolas Hug <[email protected]>

Author: pmeier