fix promver collector to default buildinfo collector

pkg/promunifi/collector.go

@@ -3,6 +3,7 @@ package promunifi
 
 import (
 	"fmt"
+	"github.com/prometheus/client_golang/prometheus/collectors"
 	"net"
 	"net/http"
 	"reflect"
@@ -198,7 +199,7 @@ func (u *promUnifi) Run(c poller.Collect) error {
 	promver.Branch = version.Branch
 
 	webserver.UpdateOutput(&webserver.Output{Name: PluginName, Config: u.Config})
-	prometheus.MustRegister(promver.NewCollector(u.Namespace))
+	prometheus.MustRegister(collectors.NewBuildInfoCollector())
 	prometheus.MustRegister(u)
 	mux.Handle("/metrics", promhttp.HandlerFor(prometheus.DefaultGatherer,
 		promhttp.HandlerOpts{ErrorHandling: promhttp.ContinueOnError},