Revert "Fix timezone for hhvm-3.11.1 on Ubuntu Xenial"
Revert "Fix timezone for hhvm-3.11.1 on Ubuntu Xenial"

This reverts commit 3366ae4ffe72ce3e43fdc367b07d5137b2643e6e.

tailhook/vagga,tailhook/vagga,tailhook/vagga,tailhook/vagga