Import go-systemd properly

Signed-off-by: Jakub Sztandera <kubuxu@protocol.ai>

cmd/lotus-health/notify.go

@@ -3,7 +3,7 @@ package main
 import (
 	"os"
 
-	"github.com/coreos/go-systemd/dbus"
+	"github.com/coreos/go-systemd/v22/dbus"
 )
 
 func notifyHandler(n string, ch chan interface{}, sCh chan os.Signal) (string, error) {

go.mod

@@ -8,7 +8,7 @@ require (
 	github.com/GeertJohan/go.rice v1.0.0
 	github.com/Gurpartap/async v0.0.0-20180927173644-4f7f499dd9ee
 	github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d // indirect
-	github.com/coreos/go-systemd v0.0.0-00010101000000-000000000000
+	github.com/coreos/go-systemd/v22 v22.0.0
 	github.com/docker/go-units v0.4.0
 	github.com/filecoin-project/chain-validation v0.0.3
 	github.com/filecoin-project/filecoin-ffi v0.0.0-20191219131535-bb699517a590
@@ -111,5 +111,3 @@ require (
 replace github.com/golangci/golangci-lint => github.com/golangci/golangci-lint v1.18.0
 
 replace github.com/filecoin-project/filecoin-ffi => ./extern/filecoin-ffi
-
-replace github.com/coreos/go-systemd => github.com/coreos/go-systemd/v22 v22.0.0