Merge pull request #40711 from spxtr/owner

Automatic merge from submit-queue

Remove spxtr from several owners files, add rmmh as test reviewer.

**Release note**:
```release-note
NONE
```

cluster/juju/OWNERS

@@ -11,7 +11,6 @@ reviewers:
 - eparis
 - jlowdermilk
 - jsafrane
-- spxtr
 - krousey
 - david-mcmahon
 - ivan4th

cluster/vagrant/OWNERS

@@ -21,7 +21,6 @@ reviewers:
 - piosz
 - jsafrane
 - jbeda
-- spxtr
 - madhusudancs
 - jayunit100
 - satnam6502

hack/OWNERS

@@ -1,6 +1,5 @@
 reviewers:
   - eparis
-  - ihmccreery
   - ixdy
   - jbeda
   - lavalamp
@@ -9,7 +8,6 @@ reviewers:
 approvers:
   - deads2k
   - eparis
-  - ihmccreery
   - ixdy
   - jbeda
   - lavalamp

pkg/genericapiserver/endpoints/OWNERS

@@ -32,7 +32,6 @@ reviewers:
 - piosz
 - jbeda
 - dims
-- spxtr
 - errordeveloper
 - madhusudancs
 - hongchaodeng

test/OWNERS

@@ -5,6 +5,7 @@ reviewers:
   - krousey
   - liggitt
   - madhusudancs
+  - rmmh
   - smarterclayton
   - spxtr
   - sttts