libnetwork/driver: remove discoverAPI from Windows and Windows overlay

Follow-up to fca38bcd0aabcb3ab95705704e6bbc1b317575a4, which made the
Discover API optional for drivers to implement, but forgot to remove the
stubs from the Windows drivers, which didn't implement this API.

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

libnetwork/drivers/windows/overlay/overlay_windows.go

@@ -10,10 +10,8 @@ import (
 
 	"github.com/Microsoft/hcsshim"
 	"github.com/containerd/containerd/log"
-	"github.com/docker/docker/libnetwork/discoverapi"
 	"github.com/docker/docker/libnetwork/driverapi"
 	"github.com/docker/docker/libnetwork/scope"
-	"github.com/docker/docker/libnetwork/types"
 )
 
 const (
@@ -111,13 +109,3 @@ func (d *driver) Type() string {
 func (d *driver) IsBuiltIn() bool {
 	return true
 }
-
-// DiscoverNew is a notification for a new discovery event, such as a new node joining a cluster
-func (d *driver) DiscoverNew(dType discoverapi.DiscoveryType, data interface{}) error {
-	return types.NotImplementedErrorf("not implemented")
-}
-
-// DiscoverDelete is a notification for a discovery delete event, such as a node leaving a cluster
-func (d *driver) DiscoverDelete(dType discoverapi.DiscoveryType, data interface{}) error {
-	return types.NotImplementedErrorf("not implemented")
-}

libnetwork/drivers/windows/windows.go

@@ -23,7 +23,6 @@ import (
 	"github.com/Microsoft/hcsshim"
 	"github.com/containerd/containerd/log"
 	"github.com/docker/docker/libnetwork/datastore"
-	"github.com/docker/docker/libnetwork/discoverapi"
 	"github.com/docker/docker/libnetwork/driverapi"
 	"github.com/docker/docker/libnetwork/netlabel"
 	"github.com/docker/docker/libnetwork/portmapper"
@@ -905,13 +904,3 @@ func (d *driver) Type() string {
 func (d *driver) IsBuiltIn() bool {
 	return true
 }
-
-// DiscoverNew is a notification for a new discovery event, such as a new node joining a cluster
-func (d *driver) DiscoverNew(dType discoverapi.DiscoveryType, data interface{}) error {
-	return nil
-}
-
-// DiscoverDelete is a notification for a discovery delete event, such as a node leaving a cluster
-func (d *driver) DiscoverDelete(dType discoverapi.DiscoveryType, data interface{}) error {
-	return nil
-}