proto/infra -> dc/proto

This cleans up proto/!

Change-Id: I3e280c16deef7ad0b01e6e409062831581ec863e
diff --git a/dc/topo/state/state.go b/dc/topo/state/state.go
index 116a55a..e264827 100644
--- a/dc/topo/state/state.go
+++ b/dc/topo/state/state.go
@@ -7,24 +7,24 @@
 
 	"google.golang.org/grpc"
 
+	dpb "code.hackerspace.pl/hscloud/dc/proto"
 	"code.hackerspace.pl/hscloud/go/pki"
-	ipb "code.hackerspace.pl/hscloud/proto/infra"
 
 	pb "code.hackerspace.pl/hscloud/dc/topo/proto"
 )
 
 type SwitchportState struct {
-	Proto *ipb.SwitchPort
+	Proto *dpb.SwitchPort
 }
 
 type SwitchState struct {
 	Name  string
 	Ports []*SwitchportState
-	Stub  ipb.SwitchControlClient
+	Stub  dpb.SwitchControlClient
 }
 
 func (s *SwitchState) Fetch(ctx context.Context) error {
-	req := ipb.GetPortsRequest{}
+	req := dpb.GetPortsRequest{}
 	res, err := s.Stub.GetPorts(ctx, &req)
 	if err != nil {
 		return fmt.Errorf("GetPorts: %v", err)
@@ -65,7 +65,7 @@
 
 		s.Switches[sw.Name] = &SwitchState{
 			Name: sw.Name,
-			Stub: ipb.NewSwitchControlClient(conn),
+			Stub: dpb.NewSwitchControlClient(conn),
 		}
 		err := s.Switches[sw.Name].Fetch(ctx)
 		if err != nil {