Remove xdb login screen

begin
dbms_xdb.cfg_update(xmltype.insertxmlbefore(dbms_xdb.cfg_get(),'/xdbconfig/sysconfig/protocolconfig/httpconfig/authentication',
xmltype('<allow-repository-anonymous-access
xmlns="http://xmlns.oracle.com/xdb/xdbconfig.xsd">true<allow-repository-anonymous-access>')));
commit;
dbms_xdb.cfg_refresh;
end;
/