adds metric middlware to route register

pkg/api/http_server.go

@@ -170,7 +170,6 @@ func (hs *HttpServer) newMacaron() *macaron.Macaron {
 	m.Use(hs.metricsEndpoint)
 	m.Use(middleware.GetContextHandler())
 	m.Use(middleware.Sessioner(&setting.SessionOptions))
-	m.Use(middleware.RequestMetrics())
 	m.Use(middleware.OrgRedirect())
 
 	// needs to be after context handler