remove unused code around unimplemented ExperimentalSettings.EnableClickToReply setting (#20389)

config/client.go

@@ -53,7 +53,6 @@ func GenerateClientConfig(c *model.Config, telemetryID string, license *model.Li
 
 	// This setting is only temporary, so keep using the old setting name for the mobile and web apps
 	props["ExperimentalEnablePostMetadata"] = "true"
-	props["ExperimentalEnableClickToReply"] = strconv.FormatBool(*c.ExperimentalSettings.EnableClickToReply)
 
 	props["ExperimentalCloudBilling"] = strconv.FormatBool(*c.ExperimentalSettings.CloudBilling)
 	props["EnableAppBar"] = strconv.FormatBool(*c.ExperimentalSettings.EnableAppBar)