Revert "Support node-admin.sh restart"
Revert "Support node-admin.sh restart"

This reverts commit 99cd46eb72d4c7758e8c56420b14c092f8724017.

vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa,vespa-engine/vespa