chore: removing references from v3 (#487)

CHANGELOG.md

@@ -1,10 +1,6 @@
 # Change Log
 All notable changes to this project will be documented in this file.
 
-[2024-10-04] Version 4.0.0-rc.1
----------------------------
-Release Candidate Preparation
-
 [2024-08-26] Version 3.16.0
 ---------------------------
 **Library - Chore**

README.md

@@ -89,49 +89,6 @@ source ./sendgrid.env
 
 The following is the minimum needed code to send an email with the [/mail/send Helper](helpers/mail) ([here](examples/helpers/mail/example.go#L32) is a full example):
 
-### Using Autogenerated Code
-```go
-package main
-
-import (
-	"encoding/json"
-	"fmt"
-	"github.com/sendgrid/sendgrid-go"
-	MailV3 "github.com/sendgrid/sendgrid-go/rest/api/v3/mail"
-	"net/http"
-	"os"
-)
-
-func main() {
-	client := sendgrid.NewRestClientWithParams(sendgrid.ClientParams{
-		ApiKey: os.Getenv("SENDGRID_API_KEY"),
-	})
-	name := "John Doe"
-	subject := "Sending with Twilio SendGrid is Fun"
-	mailTo := &MailV3.MailTo{Email: "[email protected]"}
-	to := []MailV3.MailTo{*mailTo}
-	sendMailRequest := MailV3.SendMailRequest{
-		From:             MailV3.MailFrom{Name: &name, Email: VERIFIED_EMAIL},
-		ReplyTo:          mailTo,
-		Subject:          &subject,
-		Personalizations: []MailV3.SendMailRequestPersonalizationsInner{{To: to}},
-		Content:          &[]MailV3.SendMailRequestContentInner{{Type: "text/plain", Value: "Abc"}},
-	}
-	sendMailParam := &MailV3.SendMailParam{SendMailRequest: &sendMailRequest}
-	resp, err := client.MailV3.SendMail(sendMailParam)
-	if err != nil {
-		fmt.Println("Error sending mail: " + err.Error())
-	} else {
-		response, _ := json.Marshal(resp)
-		var ps http.Response
-		json.Unmarshal(response, &ps)
-		fmt.Println(ps.StatusCode)
-		fmt.Println(ps.Body)
-		fmt.Println(ps.Header)
-	}
-}
-```
-
 ### With Mail Helper Class
 
 ```go