Revert "Auto configure bookmark after username input."

This reverts commit 16794f0.

Author: dkocher

osx/src/main/java/ch/cyberduck/ui/cocoa/controller/BookmarkController.java

@@ -378,7 +378,6 @@ public void change(final Host bookmark) {
     @Action
     public void usernameFieldTextDidEndEditing(final NSNotification sender) {
         bookmark.getCredentials().setUsername(StringUtils.trim(usernameField.stringValue()));
-        bookmark.setCredentials(CredentialsConfiguratorFactory.get(bookmark.getProtocol()).configure(bookmark));
         this.update();
     }
 

windows/src/main/csharp/ch/cyberduck/ui/controller/BookmarkController.cs

@@ -228,7 +228,6 @@ internal void View_ChangedServerEvent()
         internal void View_ChangedUsernameEvent()
         {
             _host.getCredentials().setUsername(View.Username);
-            _host.setCredentials(CredentialsConfiguratorFactory.get(_host.getProtocol()).configure(_host));
             ItemChanged();
             Update();
         }