Not needed. Defaults to false/no truncation anyway.
Use correct defaults.

These were leftovers from ZPush.
Do not blindly populate truncation data.

If it's needed, it would be sent.
Revert "Do not blindly populate truncation data."

This reverts commit efac639c1e4adbfa63575983ee7eee2694afcd04.
Do not need to add default bodypref truncation for email collections.

...and in fact this can break loading large attachments when the client
requests mime data.
BFN