remove FORM

src/main/java/org/codelibs/fess/app/web/admin/webauth/AdminWebauthAction.java

@@ -279,7 +279,6 @@ public class AdminWebauthAction extends FessAdminAction {
         itemList.add(createItem(ComponentUtil.getMessageManager().getMessage(locale, "labels.webauth_scheme_basic"), Constants.BASIC));
         itemList.add(createItem(ComponentUtil.getMessageManager().getMessage(locale, "labels.webauth_scheme_digest"), Constants.DIGEST));
         itemList.add(createItem(ComponentUtil.getMessageManager().getMessage(locale, "labels.webauth_scheme_ntlm"), Constants.NTLM));
-        itemList.add(createItem(ComponentUtil.getMessageManager().getMessage(locale, "labels.webauth_scheme_form"), Constants.FORM));
         RenderDataUtil.register(data, "protocolSchemeItems", itemList);
     }