systemd: Remove unneeded/unhandled error returns (#1035)
systemd: Remove unneeded/unhandled error returns (#1035)

Signed-off-by: Julius Volz <d7748b1e6f41fd74500c5ccae0980eab88c2ef61@gmail.com>
derekmarcotte/node_exporter,siavashs/node_exporter,derekmarcotte/node_exporter,siavashs/node_exporter,derekmarcotte/node_exporter,prometheus/node_exporter,prometheus/node_exporter,derekmarcotte/node_exporter,siavashs/node_exporter,siavashs/node_exporter,prometheus/node_exporter