Remove unnecessary select statement (#692)
Remove unnecessary select statement (#692)

* Remove unnecessary select statement

* Remove unnecessary if-statement

prometheus/node_exporter,derekmarcotte/node_exporter,derekmarcotte/node_exporter,joehandzik/node_exporter,derekmarcotte/node_exporter,siavashs/node_exporter,siavashs/node_exporter,siavashs/node_exporter,joehandzik/node_exporter,joehandzik/node_exporter,siavashs/node_exporter,prometheus/node_exporter,prometheus/node_exporter,joehandzik/node_exporter,derekmarcotte/node_exporter