[OWL-695] remove unnecessary log.Println
[OWL-695] remove unnecessary log.Println

Cepave/open-falcon-backend,Cepave/open-falcon-backend,masato25/open-falcon-backend,masato25/open-falcon-backend,Cepave/open-falcon-backend,Cepave/open-falcon-backend,Cepave/hbs,Cepave/open-falcon-backend,Cepave/open-falcon-backend,Cepave/hbs,masato25/open-falcon-backend,masato25/open-falcon-backend,masato25/open-falcon-backend,masato25/open-falcon-backend