vsphere: remove inactive members from OWNERS

As a part of cleaning up inactive members (who haven't been active since
beginning of 2019) from OWNERS files, this commit moves abrarshivani to
emeritus_approvers section.

pkg/volume/vsphere_volume/OWNERS

@@ -7,11 +7,10 @@ approvers:
 - SandeepPissay
 - divyenpatel
 - BaluDontu
-- abrarshivani
 emeritus_approvers:
 - matchstick
-reviewers:
 - abrarshivani
+reviewers:
 - saad-ali
 - justinsb
 - jsafrane

staging/src/k8s.io/legacy-cloud-providers/vsphere/OWNERS

@@ -1,14 +1,12 @@
 # See the OWNERS docs at https://go.k8s.io/owners
 
 approvers:
-- abrarshivani
 - baludontu
 - divyenpatel
 - frapposelli
 - dougm
 - SandeepPissay
 reviewers:
-- abrarshivani
 - baludontu
 - divyenpatel
 - frapposelli
@@ -16,3 +14,4 @@ reviewers:
 - SandeepPissay
 emeritus_approvers:
 - imkin
+- abrarshivani

test/e2e/framework/providers/vsphere/OWNERS

@@ -7,15 +7,14 @@ approvers:
 - SandeepPissay
 - divyenpatel
 - BaluDontu
-- abrarshivani
 - imkin
 - frapposelli
 - dougm
 - sandeeppsunny
 emeritus_approvers:
 - matchstick
-reviewers:
 - abrarshivani
+reviewers:
 - saad-ali
 - justinsb
 - jsafrane