bebe21ae13
This reverts the workaround for the devstack plugin, as now the gate jobs pass(with the plugin and no devstack tree heat code) and make it only a devstack plugin. Change-Id: Ia8d88eca2dec301b692bbef3e1d8988f00e1936a Depends-On: I5b60422bf1f5fa78aa8f3383f7a222e0356d9e42