Remove windsurf related selective disclosure example. Fix formatting.

[Wind4Greg]

This PR addresses issues #86, #95, and #90. These are changes to non-normative text.

1. It addresses the "inline context" issue by removing the only test vector example that used this feature.
2. It addresses the "formatting issue" by hand formatting the generated test vector JSON files.
3. It addresses the "who is responsible for generating..." issue by removing the unfamiliar and confusing windsurf example. All other selective disclosure examples indicate issuer are creating base proof and holder the derived proof in the test vector text.

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[dlongley]

A little sad to see it go ... but it's for the best it seems.

[msporny]

Purely editorial, merging.