Merge "remove left nav from any remaining sdk/ and tools/ pages. There are...

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: 7204a974 am: a4da48a3 am: 68d68d9f am: fc992dd2
am: 35db95c3

* commit '35db95c3':
  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: Ibfd4f20eb98a94bd40b2535dddf707f46fa6cd85