Updated top level owners file to match new format

OWNERS

-assignees:
+reviewers:
+  - brendandburns
+  - dchen1107
+  - jbeda
+  - lavalamp
+  - smarterclayton
+  - thockin
+approvers:
   - bgrant0607
   - brendandburns
   - dchen1107

build/OWNERS

-assignees:
+reviewers:
+  - ihmccreery
+  - ixdy
+  - jbeda
+  - lavalamp
+  - zmerlynn
+approvers:
   - ihmccreery
   - ixdy
   - jbeda

cluster/OWNERS

-assignees:
+reviewers:
+  - eparis
+  - jbeda
+  - mikedanese
+  - roberthbailey
+  - zmerlynn
+approvers:
   - eparis
   - jbeda
   - mikedanese

cmd/OWNERS

-assignees:
+reviewers:
+  - dchen1107
+  - lavalamp
+  - mikedanese
+  - thockin
+approvers:
   - dchen1107
   - lavalamp
   - mikedanese

docs/OWNERS

-assignees:
-  - bgrant0607
+reviewers:
+  - brendandburns
+  - smarterclayton
+  - thockin
+approvers:
   - brendandburns
   - smarterclayton
   - thockin

examples/OWNERS

-assignees:
-  - bgrant0607
+reviewers:
+  - brendandburns
+  - thockin
+  - zmerlynn
+approvers:
   - brendandburns
   - thockin
   - zmerlynn

federation/OWNERS

-assignees:
-  - quinton-hoole
+reviewers:
+  - madhusudancs
+  - mml
+  - nikhiljindal
+  - colhom
+approvers:
   - madhusudancs
   - mml
   - nikhiljindal

hack/OWNERS

-assignees:
+reviewers:
+  - eparis
+  - ihmccreery
+  - ixdy
+  - jbeda
+  - lavalamp
+  - spxtr
+  - zmerlynn
+approvers:
   - eparis
   - ihmccreery
   - ixdy

logo/OWNERS

-assignees:
+reviewers:
+  - thockin
+approvers:
   - thockin

pkg/OWNERS

-assignees:
+reviewers:
+  - brendandburns
+  - dchen1107
+  - lavalamp
+  - smarterclayton
+  - thockin
+approvers:
   - brendandburns
   - dchen1107
   - lavalamp

pkg/api/OWNERS

 approvers:
-- bgrant0607
 - erictune
 - lavalamp
 - smarterclayton
@@ -9,7 +8,6 @@ reviewers:
 - lavalamp
 - smarterclayton
 - wojtek-t
-- bgrant0607
 - deads2k
 - yujuhong
 - brendandburns

pkg/api/validation/OWNERS

@@ -3,7 +3,6 @@ reviewers:
 - lavalamp
 - smarterclayton
 - wojtek-t
-- bgrant0607
 - deads2k
 - yujuhong
 - brendandburns

pkg/apis/OWNERS

 approvers:
-- bgrant0607
 - erictune
 - lavalamp
 - smarterclayton

pkg/cloudprovider/OWNERS

 approvers:
 - mikedanese
+reviewers:
+- thockin
+- lavalamp
+- smarterclayton
+- wojtek-t
+- deads2k
+- brendandburns
+- derekwaynecarr
+- caesarxuchao
+- vishh
+- mikedanese
+- liggitt
+- bprashanth
+- gmarek
+- erictune
+- davidopp
+- pmorie
+- sttts
+- quinton-hoole
+- dchen1107
+- saad-ali
+- zmerlynn
+- luxas
+- justinsb
+- roberthbailey
+- eparis
+- jlowdermilk
+- piosz
+- jsafrane
+- dims
+- krousey
+- rootfs
+- jszczepkowski
+- markturansky
+- vmarmol
+- girishkalele
+- satnam6502
+- jdef
+- freehan
+- jingxu97

pkg/genericapiserver/endpoints/OWNERS

@@ -8,7 +8,6 @@ reviewers:
 - lavalamp
 - smarterclayton
 - wojtek-t
-- bgrant0607
 - deads2k
 - derekwaynecarr
 - caesarxuchao

pkg/registry/OWNERS

@@ -7,7 +7,6 @@ reviewers:
 - lavalamp
 - smarterclayton
 - wojtek-t
-- bgrant0607
 - deads2k
 - yujuhong
 - derekwaynecarr

plugin/OWNERS

-assignees:
+reviewers:
+  - brendandburns
+  - davidopp
+  - dchen1107
+  - lavalamp
+  - thockin
+approvers:
   - brendandburns
   - davidopp
   - dchen1107

staging/src/k8s.io/apimachinery/pkg/api/errors/OWNERS

@@ -3,7 +3,6 @@ reviewers:
 - lavalamp
 - smarterclayton
 - wojtek-t
-- bgrant0607
 - deads2k
 - brendandburns
 - derekwaynecarr

staging/src/k8s.io/client-go/_vendor/k8s.io/apimachinery/pkg/api/errors/OWNERS

@@ -3,7 +3,6 @@ reviewers:
 - lavalamp
 - smarterclayton
 - wojtek-t
-- bgrant0607
 - deads2k
 - brendandburns
 - derekwaynecarr

staging/src/k8s.io/client-go/pkg/api/OWNERS

 approvers:
-- bgrant0607
 - erictune
 - lavalamp
 - smarterclayton
@@ -9,7 +8,6 @@ reviewers:
 - lavalamp
 - smarterclayton
 - wojtek-t
-- bgrant0607
 - deads2k
 - yujuhong
 - brendandburns

test/OWNERS

-assignees:
+reviewers:
+  - fejta
+  - ixdy
+  - spxtr
+approvers:
   - fejta
   - ixdy
   - spxtr