[MM-45053] - Remove 'trial of Mattermost ending soon' product emails (#20550)

* [MM-45053] - Remove 'trial of Mattermost ending soon' product emails

* remove trial end warning email

api4/cloud.go

@@ -7,7 +7,6 @@ import (
 	"bytes"
 	"encoding/binary"
 	"encoding/json"
-	"fmt"
 	"io/ioutil"
 	"net/http"
 	"time"
@@ -603,20 +602,6 @@ func handleCWSWebhook(c *Context, w http.ResponseWriter, r *http.Request) {
 			c.Err = model.NewAppError("SendCloudWelcomeEmail", "api.user.send_cloud_welcome_email.error", nil, err.Error(), http.StatusInternalServerError)
 			return
 		}
-	case model.EventTypeTrialWillEnd:
-		endTimeStamp := event.SubscriptionTrialEndUnixTimeStamp
-		t := time.Unix(endTimeStamp, 0)
-		trialEndDate := fmt.Sprintf("%s %d, %d", t.Month(), t.Day(), t.Year())
-
-		if appErr := c.App.SendCloudTrialEndWarningEmail(trialEndDate, *c.App.Config().ServiceSettings.SiteURL); appErr != nil {
-			c.Err = appErr
-			return
-		}
-	case model.EventTypeTrialEnded:
-		if appErr := c.App.SendCloudTrialEndedEmail(); appErr != nil {
-			c.Err = appErr
-			return
-		}
 	case model.EventTypeSubscriptionChanged:
 		// event.ProductLimits is nil if there was no change
 		if event.ProductLimits != nil {