Move queens implemented specs

This moves the completed queens specs to the implemented
directory, adds the redirects and also removes the queens-template
symlink from the approved directory and docs.

This was done using:

  $ tox -e move-implemented-specs -- queens

Change-Id: I9e4d9aec4a1ced181ef7850627b9c67de376beae

specs/queens/approved/queens-template.rst

@@ -1 +0,0 @@
-../../queens-template.rst

specs/queens/implemented/queens-template.rst

@@ -1 +0,0 @@
-../../queens-template.rst

specs/queens/redirects

@@ -1,2 +1,30 @@
 approved/cinder-volume-multi-attach.rst ../approved/multi-attach-volume.rst
 approved/virt-add-support-for-vgpu.rst ../approved/add-support-for-vgpu.rst
+approved/add-pagination-and-change-since-for-migration-list.rst ../implemented/add-pagination-and-change-since-for-migration-list.rst
+approved/add-support-for-vgpu.rst ../implemented/add-support-for-vgpu.rst
+approved/add-trait-support-in-allocation-candidates.rst ../implemented/add-trait-support-in-allocation-candidates.rst
+approved/allocation-candidates-limit.rst ../implemented/allocation-candidates-limit.rst
+approved/api-extensions-policy-removal.rst ../implemented/api-extensions-policy-removal.rst
+approved/cinder-new-attach-apis.rst ../implemented/cinder-new-attach-apis.rst
+approved/cold-migration-with-target-queens.rst ../implemented/cold-migration-with-target-queens.rst
+approved/deprecate-file-injection.rst ../implemented/deprecate-file-injection.rst
+approved/flavor-description.rst ../implemented/flavor-description.rst
+approved/improve-filter-instances-by-ip-performance.rst ../implemented/improve-filter-instances-by-ip-performance.rst
+approved/ironic-driver-traits.rst ../implemented/ironic-driver-traits.rst
+approved/libvirt-qemu-native-luks.rst ../implemented/libvirt-qemu-native-luks.rst
+approved/migration-allocations.rst ../implemented/migration-allocations.rst
+approved/multi-attach-volume.rst ../implemented/multi-attach-volume.rst
+approved/pagination-add-changes-since-for-instance-action-list.rst ../implemented/pagination-add-changes-since-for-instance-action-list.rst
+approved/placement-cache-headers.rst ../implemented/placement-cache-headers.rst
+approved/post-allocations.rst ../implemented/post-allocations.rst
+approved/powervm-nova-it-compute-driver.rst ../implemented/powervm-nova-it-compute-driver.rst
+approved/rebuild-keypair-reset.rst ../implemented/rebuild-keypair-reset.rst
+approved/remove-configurable-hide-server-address-feature.rst ../implemented/remove-configurable-hide-server-address-feature.rst
+approved/request-traits-in-nova.rst ../implemented/request-traits-in-nova.rst
+approved/return-alternate-hosts.rst ../implemented/return-alternate-hosts.rst
+approved/return-selection-objects.rst ../implemented/return-selection-objects.rst
+approved/service-create-destroy-notification.rst ../implemented/service-create-destroy-notification.rst
+approved/share-pci-between-numa-nodes.rst ../implemented/share-pci-between-numa-nodes.rst
+approved/symmetric-allocations.rst ../implemented/symmetric-allocations.rst
+approved/use-ksa-adapter-for-endpoints.rst ../implemented/use-ksa-adapter-for-endpoints.rst
+approved/websocket-proxy-to-host-security.rst ../implemented/websocket-proxy-to-host-security.rst