Forgot to remove duplicate

Author: jan-ivar

index.bs

@@ -893,7 +893,6 @@ interface mixin KeyFrameRequest {
 interface RTCRtpScriptTransformer : EventTarget {
     // Attributes and methods related to the transformer source
     readonly attribute ReadableStream readable;
-    Promise<unsigned long long> generateKeyFrame(optional DOMString rid);
     Promise<undefined> sendKeyFrameRequest();
     // Attributes and methods related to the transformer sink
     readonly attribute WritableStream writable;