Clean docs and (unused) API (#388) #821

Job	Run time
Test Imports	20s
Test Linting	17s
Test Docs	38s
Test Codegen	47s
Test Examples	1m 35s
Build wheels on ubuntu-latest	1m 42s
Build wheels on windows-latest	4m 14s
Test Linux py37	1m 35s
Test PyInstaller	1m 35s
Build wheels on macos-latest	2m 21s
Test Linux py38	59s
Test Linux py39	1m 10s
Test Linux py310	1m 59s
Build sdist	35s
Test Linux py311	1m 1s
Publish to Github and Pypi	0s
	20m 48s

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