Remove legacy caller support
Created by: TimothyGu
Legacy callers will be removed in https://github.com/heycam/webidl/pull/412. No specifications using Bikeshed are using legacy callers.
Created by: TimothyGu
Legacy callers will be removed in https://github.com/heycam/webidl/pull/412. No specifications using Bikeshed are using legacy callers.