Delete all of templates-sdk/.
These files are now located in external/doclava/res/assets/
Related CLs:
https://googleplex-android-review.git.corp.google.com/#/c/1524290/
https://googleplex-android-review.git.corp.google.com/#/c/1928220/

Change-Id: Ia7dba884897c5b69243055190b6283537d35717f
218 files changed