remove the sdk download tables. No longer used now that downloads are in the /studio docs.
am: 6f0ed9bddd

* commit '6f0ed9bddd6457b358f662a2d1657686f633f903':
  remove the sdk download tables. No longer used now that downloads are in the /studio docs.

Change-Id: I64df6648f49943177192ea7cd27139b9b21d29ea