Remove Semtech UDP internal timestamp.

Author: brocaar

go.mod

@@ -1,15 +1,15 @@
 module github.com/brocaar/lora-gateway-bridge
 
 require (
-	github.com/brocaar/loraserver v0.0.0-20190422074053-c3336fb6b947
+	github.com/brocaar/loraserver v0.0.0-20190429120626-75ef246869d5
 	github.com/brocaar/lorawan v0.0.0-20190402092148-5bca41b178e9
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible
 	github.com/eclipse/paho.mqtt.golang v1.2.0
 	github.com/golang/protobuf v1.3.1
 	github.com/goreleaser/goreleaser v0.106.0
 	github.com/gorilla/websocket v1.4.0
 	github.com/pkg/errors v0.8.1
-	github.com/prometheus/client_golang v0.9.2
+	github.com/prometheus/client_golang v0.9.3-0.20190127221311-3c4408c8b829
 	github.com/sirupsen/logrus v1.4.1
 	github.com/spf13/cobra v0.0.3
 	github.com/spf13/viper v1.3.2