Revert "MB-7631 Interpret bp of 0 as empty body"

Applying to branch 2.0.1, and then merging back 2.0.2, and
finally merge 2.0.2 to 2.0.1.

This reverts commit c086371a81e43021966620c469134e08530fe38a.

Change-Id: I36bc250c125c164369eb6f39e47df7f512b8a417
Reviewed-on: http://review.couchbase.org/24595
Reviewed-by: Aaron Miller <apage43@ninjawhale.com>
Tested-by: Aaron Miller <apage43@ninjawhale.com>
Reviewed-by: Filipe David Borba Manana <fdmanana@gmail.com>
Tested-by: Filipe David Borba Manana <fdmanana@gmail.com>