Remove noteOn and noteOff methods from OscillatorNode

Source/modules/webaudio/OscillatorNode.idl

Index: Source/modules/webaudio/OscillatorNode.idl
diff --git a/Source/modules/webaudio/OscillatorNode.idl b/Source/modules/webaudio/OscillatorNode.idl
index 823d20ed521bc213fc191c4adf9eca9f46818ff9..2657c898aca4251b608f9a571b17e0b19bf75bd2 100644
--- a/Source/modules/webaudio/OscillatorNode.idl
+++ b/Source/modules/webaudio/OscillatorNode.idl
@@ -43,9 +43,6 @@ enum OscillatorType {
     [RaisesException] void start(optional double when);
     [RaisesException] void stop(optional double when);
 
-    [RaisesException, ImplementedAs=start] void noteOn(double when);
-    [RaisesException, ImplementedAs=stop] void noteOff(double when);
-
     void setPeriodicWave(PeriodicWave periodicWave);
 
     attribute EventHandler onended;