web: Remove now unused `getAudioOutputTimestamp`

web/packages/core/src/ruffle-imports.ts

@@ -5,17 +5,6 @@
  * @internal
  */
 
-/**
- * Returns the estimated output timestamp for the audio context.
- * This is necessary because web-sys does not export `AudioContext.baseLatency`.
- *
- * @internal
- */
-export function getAudioOutputTimestamp(context: AudioContext): number {
-    // TODO: Ideally we'd use `context.getOutputTimestamp`, but this is broken as of Safari 15.4.
-    return context.currentTime - context.baseLatency;
-}
-
 /**
  * Copies interleaved stereo audio data into an `AudioBuffer`.
  *