Remove workaround for autoapi bug
Remove workaround for autoapi bug

https://github.com/readthedocs/sphinx-autoapi/issues/328 has been fixed
and released in version 1.9.0 on pypi.  This version should
automatically be picked up, as we use unversioned dependencies on the
package.

adafruit/circuitpython,adafruit/circuitpython,adafruit/circuitpython,adafruit/circuitpython,adafruit/circuitpython,adafruit/circuitpython