Unnecessary go routine spawn. (#7879)
Unnecessary go routine spawn. (#7879)

* Unnecessary go routine spawn.
* Remove unnecessary local variable creation.

Signed-off-by: iurii <cee699d9c1b5656099e63b433790af2a3cd5027e@coins.ph>
Co-authored-by: iurii <cee699d9c1b5656099e63b433790af2a3cd5027e@coins.ph>
GoogleCloudPlatform/prometheus,prometheus/prometheus,alileza/prometheus,GoogleCloudPlatform/prometheus,GoogleCloudPlatform/prometheus,prometheus/prometheus,alileza/prometheus,prometheus/prometheus,alileza/prometheus,keegancsmith/prometheus,alileza/prometheus,alileza/prometheus,prometheus/prometheus,keegancsmith/prometheus,keegancsmith/prometheus,prometheus/prometheus,keegancsmith/prometheus,GoogleCloudPlatform/prometheus,keegancsmith/prometheus,GoogleCloudPlatform/prometheus