Revert "feat(payload): add user_id to payload" (#4)

Signed-off-by: Niladri Halder <[email protected]>

Author: niladrih

client/client.go

@@ -29,7 +29,6 @@ func (c *MeasurementClient) Send(event *event.OpenebsEvent) error {
 	dataPayload, err := payload.NewPayload(
 		payload.WithClientId(client.clientId),
 		payload.WithOpenebsEvent(event),
-		payload.WithUserId(client.clientId),
 	)
 
 	if err != nil {

example/main.go

@@ -9,7 +9,7 @@ func main() {
 	client, err := gaClient.NewMeasurementClient(
 		gaClient.WithApiSecret("NguBiGh6QeOdeG3zJswggQ"),
 		gaClient.WithMeasurementId("G-TZGP46618W"),
-		gaClient.WithClientId("uniqueClientId-000000001"),
+		gaClient.WithClientId("uniqueUserId-000000001"),
 	)
 	if err != nil {
 		panic(err)

payload/build.go

@@ -11,7 +11,6 @@ type PayloadOption func(*Payload) error
 type Payload struct {
 	ClientId string     `json:"client_id"`
 	Events   []ApiEvent `json:"events"`
-	UserId   string     `json:"user_id"`
 }
 
 type ApiEvent struct {
@@ -44,17 +43,6 @@ func WithClientId(clientId string) PayloadOption {
 	}
 }
 
-func WithUserId(userId string) PayloadOption {
-	return func(p *Payload) error {
-		if len(userId) == 0 {
-			return errors.Errorf("failed to set Payload userId: id is an empty string")
-		}
-
-		p.UserId = userId
-		return nil
-	}
-}
-
 func WithOpenebsEvent(event *event.OpenebsEvent) PayloadOption {
 	return func(p *Payload) error {
 		p.Events = append(p.Events, ApiEvent{