fix: errorlog future-vuls trivy-to-vuls (#1739)

Co-authored-by: 和田皓翔 <wadahiroka@192.168.0.6>

contrib/trivy/parser/parser.go

@@ -1,8 +1,8 @@
+// Package parser ...
 package parser
 
 import (
 	"encoding/json"
-	"fmt"
 
 	v2 "github.com/future-architect/vuls/contrib/trivy/parser/v2"
 	"github.com/future-architect/vuls/models"
@@ -23,7 +23,6 @@ type Report struct {
 func NewParser(vulnJSON []byte) (Parser, error) {
 	r := Report{}
 	if err := json.Unmarshal(vulnJSON, &r); err != nil {
-		fmt.Printf("%s", fmt.Sprintf("%s", vulnJSON))
 		return nil, xerrors.Errorf("Failed to parse JSON. Please use the latest version of trivy, trivy-to-vuls and future-vuls")
 	}
 	switch r.SchemaVersion {