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
am: f56b3279

* commit 'f56b3279':
  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: Ibe928a83e2d47888ecbdc1c42593d833a612f354