Move placement job to nova's check queue

Change cc5561cfceb3f06e7b86224fa8d12edfea445a2b meant to
move the non-voting placement-api job to nova's check queue,
not devstack's, so this fixes that.

Change-Id: Ie523c4cb00afee2290c02f08808ea7c9ef972511

zuul/layout.yaml

@@ -3304,7 +3304,6 @@ projects:
       - gate-grenade-dsvm-neutron-multinode
       - gate-tempest-dsvm-platform-centos7-nv
       - gate-tempest-dsvm-platform-fedora23-nv
-      - gate-tempest-dsvm-neutron-placement-full-ubuntu-xenial-nv
     gate:
       - gate-devstack-docs-ubuntu-xenial
       - gate-devstack-bashate
@@ -3315,6 +3314,7 @@ projects:
       - gate-tempest-dsvm-neutron-dvr
       - gate-tempest-dsvm-neutron-dvr-multinode-full
       - gate-tempest-dsvm-neutron-linuxbridge
+      - gate-tempest-dsvm-neutron-placement-full-ubuntu-xenial-nv
       - gate-tempest-dsvm-cells
       - gate-dsvm-mongodb-zaqar
       - gate-grenade-dsvm-forward
@@ -11121,6 +11121,7 @@ projects:
       - gate-tempest-dsvm-full-devstack-plugin-ceph
       - gate-tempest-dsvm-neutron-linuxbridge
       - gate-tempest-dsvm-neutron-multinode-full
+      - gate-tempest-dsvm-neutron-placement-full-ubuntu-xenial-nv
       - gate-tempest-dsvm-multinode-live-migration
     gate:
       - gate-nova-tox-db-functional
@@ -11137,7 +11138,6 @@ projects:
       - gate-tempest-dsvm-nova-wsgi-full
       - gate-tempest-dsvm-multinode-full
       - gate-tempest-dsvm-neutron-dvr-multinode-full
-      - gate-tempest-dsvm-neutron-placement-full-ubuntu-xenial-nv
       - gate-tempest-dsvm-ironic-pxe_ipa-full-nv
       - gate-tempest-dsvm-lxc-ubuntu-trusty
       - gate-tempest-dsvm-lvm