DOC: Remove OO intro, which is better served by simple API doc.
DOC: Remove OO intro, which is better served by simple API doc.

dchabot/bluesky,sameera2004/bluesky,dchabot/bluesky,ericdill/bluesky,klauer/bluesky,sameera2004/bluesky,ericdill/bluesky,klauer/bluesky