update jenkins pre-check

Signed-off-by: soulseen <sunzhu@yunify.com>

pkg/simple/client/admin_jenkins/jenkins.go

@@ -40,10 +40,6 @@ func init() {
 	flag.IntVar(&jenkinsMaxConn, "jenkins-max-conn", 20, "max conn to jenkins")
 }
 
-func GetJenkinsFlag() (string,string,string){
-	return jenkinsAdminAddress, jenkinsAdminUsername, jenkinsAdminPassword
-}
-
 func Client() *gojenkins.Jenkins {
 	jenkinsClientOnce.Do(func() {
 		jenkins := gojenkins.CreateJenkins(nil, jenkinsAdminAddress, jenkinsMaxConn, jenkinsAdminUsername, jenkinsAdminPassword)