Remove unused types

pkg/cmd/codespace/ports_test.go

@@ -182,11 +182,6 @@ func runUpdateVisibilityTest(t *testing.T, portVisibilities []portVisibility, ev
 		return fmt.Errorf("unable to create test server: %w", err)
 	}
 
-	type rpcMessage struct {
-		Method string
-		Params liveshare.PortUpdate
-	}
-
 	go func() {
 		var i int
 		for ; ; i++ {

pkg/liveshare/session_test.go

@@ -49,11 +49,6 @@ func makeMockSession(opts ...livesharetest.ServerOption) (*livesharetest.Server,
 	return testServer, session, nil
 }
 
-type rpcPortTestMessage struct {
-	Method string
-	Params PortUpdate
-}
-
 func TestServerStartSharing(t *testing.T) {
 	serverPort, serverProtocol := 2222, "sshd"
 	sendNotification := make(chan portUpdateNotification)