deploy: remove securityContext from rbd provisioner

we dont need securityContext for the rbd provisioner
pod as its not doing any special operations like map
,unmap selinux etc.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>

deploy/rbd/kubernetes/csi-rbdplugin-provisioner.yaml

@@ -77,8 +77,6 @@ spec:
             - name: ADDRESS
               value: unix:///csi/csi-provisioner.sock
           imagePullPolicy: "IfNotPresent"
-          securityContext:
-            privileged: true
           volumeMounts:
             - name: socket-dir
               mountPath: /csi
@@ -113,10 +111,6 @@ spec:
             - name: socket-dir
               mountPath: /csi
         - name: csi-rbdplugin
-          securityContext:
-            privileged: true
-            capabilities:
-              add: ["SYS_ADMIN"]
           # for stable functionality replace canary with latest release version
           image: quay.io/cephcsi/cephcsi:canary
           args:
@@ -167,10 +161,6 @@ spec:
             - name: ceph-config
               mountPath: /etc/ceph/
         - name: csi-rbdplugin-controller
-          securityContext:
-            privileged: true
-            capabilities:
-              add: ["SYS_ADMIN"]
           # for stable functionality replace canary with latest release version
           image: quay.io/cephcsi/cephcsi:canary
           args: