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.
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: Iaa16fcbf88db39f38b8d5f0dee5f8ab068664f3c

xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build