Merge pull request #3941 from xmcqueen/master

added xmcqueen and removed spiffxp per kubernetes/community#7239

Author: k8s-ci-robot

OWNERS_ALIASES

@@ -97,8 +97,8 @@ aliases:
     - cjwagner
     - michelle192837
     - pohly
-    - spiffxp
     - stevekuznetsov
+    - xmcqueen
   sig-ui-leads:
     - floreks
     - maciaszczykm