Remove options from processor of Bitcrusher example

[chrisguttandin]

This PR is intended to fix #2491.

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[chrisguttandin]

Hi @hoch, thanks for the approval. However it looks like I can't merge the PR myself. GitHub only allows me to close it.

[padenot]

Yes, we need to rework you PR to add the necessary markup for change tracking vs. the Recommendation, so it looks like this in the end: https://webaudio.github.io/web-audio-api/#c2359.

[orottier]

Hi, I just wanted to say this has caused some confusion on our side as well so it would be good to have this merged.
I could have a look at the markup if desired.

[hoch]

@svgeesus This change is within the code example, which I believe "non-normative". Do we need the Proposed Correction mark up for this?

[hoch]

The GItHub's web editor doesn't seem to be handling tab/space indentation very well. We might need some manual labor on this.

That said, I believe this is purely editorial and non-normative, so we can merge this without PC markups.

[chrisguttandin]

@hoch I will rebase the changes manually.