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

* commit 'fc992dd2':
  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: Ifd00d42f2dbb90bb2bf3de847bbb00015e7fdb43