Update OWNERS

Remove people probably not interested in this code

pkg/registry/OWNERS

@@ -10,10 +10,8 @@ reviewers:
 - bgrant0607
 - deads2k
 - yujuhong
-- brendandburns
 - derekwaynecarr
 - caesarxuchao
-- vishh
 - mikedanese
 - liggitt
 - nikhiljindal
@@ -23,7 +21,6 @@ reviewers:
 - davidopp
 - pmorie
 - kargakis
-- dchen1107
 - saad-ali
 - zmerlynn
 - luxas
@@ -39,7 +36,6 @@ reviewers:
 - jlowdermilk
 - soltysh
 - piosz
-- jbeda
 - dims
 - madhusudancs
 - hongchaodeng

pkg/registry/cachesize/OWNERS

@@ -5,6 +5,5 @@ reviewers:
 - soltysh
 - madhusudancs
 - mml
-- david-mcmahon
 - ericchiang
 - caseydavenport

pkg/registry/generic/OWNERS

@@ -5,7 +5,6 @@ reviewers:
 - wojtek-t
 - deads2k
 - yujuhong
-- brendandburns
 - derekwaynecarr
 - caesarxuchao
 - mikedanese
@@ -30,7 +29,6 @@ reviewers:
 - fgrzadkowski
 - xiang90
 - resouer
-- david-mcmahon
 - mqliang
 - feihujiang
 - sdminonne

pkg/registry/registrytest/OWNERS

@@ -20,7 +20,6 @@ reviewers:
 - hongchaodeng
 - krousey
 - a-robinson
-- david-mcmahon
 - ddysher
 - mqliang
 - sdminonne