Revert "restapi: provide full_version in product_info"

Reverted due to junit failures

This reverts commit a853f738895e04ec6db4a7e2a1f2e2df31eab177.

Change-Id: Ie291b936b9ffaebb555fd6a4e80f26a410e0f90d
Signed-off-by: Michael Pasternak <mpastern@redhat.com>