remove the reduntant openvpn service restart

this was caught during the initial run, when the configs files were not copied/created
configs are getting copied from 24 to 53
https://0xacab.org/leap/container-platform/lilypad/-/blob/c6d787af527667d24631d61f7b3050d25cce8139/config/roles/openvpn/tasks/credentials.yml#L24
it should be fine to run this at L55