Merge "remove left nav from any remaining sdk/ and tools/ pages. There are still some sdk/ pages but all tools/ pages are gone, so although we could just ignore such pages, better safe than sorry, so going to catch those too." into mnc-mr-docs
am: 7204a974dc

* commit '7204a974dc4b040bf91b41d59684d1831301a0d5':
  remove left nav from any remaining sdk/ and tools/ pages. There are still some sdk/ pages but all tools/ pages are gone, so although we could just ignore such pages, better safe than sorry, so going to catch those too.

Change-Id: I17c4f49dbf47fec3421e5d1f780b0100289f6d5c