Remove a random console warning

Change-Id: If31f1408ff89a25bca6da34e7643cd36c785ee3b
diff --git a/web/plugin.ts b/web/plugin.ts
index 7a383e1..a945a85 100644
--- a/web/plugin.ts
+++ b/web/plugin.ts
@@ -11,7 +11,6 @@
 
 window.Gerrit.install(async plugin => {
   const fetcher = new ChecksFetcher(plugin, 'cr-buildbucket.appspot.com');
-  console.warn('registerd twice!!!')
   plugin.checks().register({
     fetch: changeData => fetcher.fetchChecks(changeData),
   });