MM-27989 Remove experimental setting for data prefetch (#16306)

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

config/client.go

@@ -66,8 +66,6 @@ func GenerateClientConfig(c *model.Config, telemetryID string, license *model.Li
 	props["ExperimentalEnableAutomaticReplies"] = strconv.FormatBool(*c.TeamSettings.ExperimentalEnableAutomaticReplies)
 	props["ExperimentalTimezone"] = strconv.FormatBool(*c.DisplaySettings.ExperimentalTimezone)
 
-	props["ExperimentalDataPrefetch"] = strconv.FormatBool(*c.ServiceSettings.ExperimentalDataPrefetch)
-
 	props["SendEmailNotifications"] = strconv.FormatBool(*c.EmailSettings.SendEmailNotifications)
 	props["SendPushNotifications"] = strconv.FormatBool(*c.EmailSettings.SendPushNotifications)
 	props["RequireEmailVerification"] = strconv.FormatBool(*c.EmailSettings.RequireEmailVerification)