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

services/telemetry/telemetry.go

@@ -712,7 +712,6 @@ func (ts *TelemetryService) trackConfig() {
 		"client_side_cert_enable":            *cfg.ExperimentalSettings.ClientSideCertEnable,
 		"isdefault_client_side_cert_check":   isDefault(*cfg.ExperimentalSettings.ClientSideCertCheck, model.ClientSideCertCheckPrimaryAuth),
 		"link_metadata_timeout_milliseconds": *cfg.ExperimentalSettings.LinkMetadataTimeoutMilliseconds,
-		"enable_click_to_reply":              *cfg.ExperimentalSettings.EnableClickToReply,
 		"restrict_system_admin":              *cfg.ExperimentalSettings.RestrictSystemAdmin,
 		"use_new_saml_library":               *cfg.ExperimentalSettings.UseNewSAMLLibrary,
 		"cloud_billing":                      *cfg.ExperimentalSettings.CloudBilling,