Revert "turn off rsyncs to/from dataset2, prep for 12th floor move"

This reverts commit 63149ac230c4ac50597d42a7cd6c911adaba1389.

dataset2 is moved and back in service, so this can be re-enabled.

Change-Id: Idcf9afcd4aeced1ebec32cbf9bca1968f87cd43f