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: ee2dd493
am: baffb54d

* commit 'baffb54d':

Change-Id: Ic61668a7c9fdd5c9dfaf41328bc81a52cf5359f9