daemon: remove discovery inits

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

daemon/daemon_test.go

@@ -10,7 +10,6 @@ import (
 	"github.com/docker/docker/container"
 	"github.com/docker/docker/errdefs"
 	"github.com/docker/docker/libnetwork"
-	_ "github.com/docker/docker/pkg/discovery/memory"
 	"github.com/docker/docker/pkg/idtools"
 	"github.com/docker/docker/pkg/truncindex"
 	volumesservice "github.com/docker/docker/volume/service"

daemon/reload_test.go

@@ -8,7 +8,6 @@ import (
 	"github.com/docker/docker/daemon/config"
 	"github.com/docker/docker/daemon/images"
 	"github.com/docker/docker/libnetwork"
-	_ "github.com/docker/docker/pkg/discovery/memory"
 	"github.com/docker/docker/registry"
 	"github.com/sirupsen/logrus"
 	"gotest.tools/v3/assert"