refactor: remove useless fields in security context (#91)

The container being privileged neither allowPrivilegeEscalation
nor capabilities are required.

For more information check:
https://kubernetes-csi.github.io/docs/deploying.html

Author: sgaist

deploy/csi-rclone/values.yaml

@@ -67,10 +67,6 @@ csiNodepluginRclone:
     imagePullPolicy: Always
   rclone:
     containerSecurityContext:
-      allowPrivilegeEscalation: true
-      capabilities:
-        add:
-          - SYS_ADMIN
       privileged: true
     # Extra environment variables for the rclone container
     extraEnv: []