This reverts commit 955e621167.
Reason for revert: the port binding handling done in this patch is
incorrect and leads to issues during the cold migration process with
trunk ports in ML2/OVN.
Change-Id: Ifc2d37e2042fad43dd838821953defd99a5f8665
Closes-Bug: #2033887
(cherry picked from commit 1b034f8d62)