DOMUI: Remove experimental sync promo layouts

chrome/browser/ui/webui/sync_promo/sync_promo_handler.cc

Index: chrome/browser/ui/webui/sync_promo/sync_promo_handler.cc
diff --git a/chrome/browser/ui/webui/sync_promo/sync_promo_handler.cc b/chrome/browser/ui/webui/sync_promo/sync_promo_handler.cc
index cbe9ec6c23da883e419f577c7346b1af7192f0bc..90f58fe251e21a0a3ee76c947af380bf1b5bea4e 100644
--- a/chrome/browser/ui/webui/sync_promo/sync_promo_handler.cc
+++ b/chrome/browser/ui/webui/sync_promo/sync_promo_handler.cc
@@ -202,11 +202,6 @@ void SyncPromoHandler::HandleCloseSyncPromo(const base::ListValue* args) {
 }
 
 void SyncPromoHandler::HandleInitializeSyncPromo(const base::ListValue* args) {
-  // TODO(sail): The version argument is going away, remove this.
-  base::FundamentalValue version(3);
-  web_ui()->CallJavascriptFunction("SyncSetupOverlay.showPromoVersion",
-                                   version);
-
   // Open the sync wizard to the login screen.
   OpenSyncSetup(true);
   // We don't need to compute anything for this, just do this every time.