Add python-dracclient to be owned by Hardware Vendor SIG

This adds the first repo to be owned by the new Hardware Vendor SIG
and cleans up some misleading information in the legacy list. This repo
was never retired, just removed from ironic team governance.

Change-Id: Ie8bf14dd52b175790e6f33cee1f91ae354bbf36a
Signed-off-by: Sean McGinnis <sean.mcginnis@gmail.com>

reference/legacy.yaml

@@ -398,10 +398,6 @@ ironic:
       retired-on: 2019-09-03
       repos:
         - openstack/networking-generic-switch-tempest-plugin
-    python-dracclient:
-      retired-on: 2016-11-28
-      repos:
-        - openstack/python-dracclient
     python-wsmanclient:
       retired-on: 2016-11-28
       repos:

reference/sigs-repos.yaml

@@ -8,6 +8,8 @@ API:
 Automation:
   - repo: openstack/auto-scaling-sig
   - repo: openstack/self-healing-sig
+Hardware Vendor:
+  - repo: openstack/python-dracclient
 i18n:
   - repo: openstack/i18n
     extra-atcs: