Fix: rm force-loading of audio

[katspaugh]

Short description

Resolves #3435

Implementation details

Calling load isn't necessary. The browser will now decide whether to load audio or not based on the preload property of the audio element which wavesurfer doesn't explicitly set. So it should likely default to metadata as per the docs.

[cloudflare-workers-and-pages]

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[github-actions]

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Type	Occurrences	Fixable
Errors	0	0
Warnings	0	0
Ignored	0	N/A

• Result: ✅ success
• Annotations: 0 total

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