fix: SyntaxError: Decorators must not be followed by a semicolon

[laggingreflex]

Was getting this error while building:

SyntaxError: src/AudioNode.js: Decorators must not be followed by a semicolon (73:58)
  71 |   channelInterpretation() {}
  72 |
> 73 |   @methods.param("destination", validators.isAudioSource);
     |                                                           ^
  74 |   @methods.param("[ output ]", validators.isPositiveInteger);
  75 |   @methods.param("[ input ]", validators.isPositiveInteger);
  76 |   @methods.contract({