fix(api): Document deck slot deletion (#6260)
fix(api): Document deck slot deletion (#6260)

Document how to delete labware from a slot to load new labware mid-protocol. A somewhat popular request: #6214.

Co-authored-by: Seth Foster <9aa023407f650958c42f789b702c46dd805e64c8@gmail.com>
OpenTrons/opentrons-api,OpenTrons/opentrons-api,OpenTrons/opentrons-api,OpenTrons/opentrons-api,OpenTrons/opentrons-api,Opentrons/labware,OpenTrons/opentrons_sdk