Update info about AWS instances provided by The Carpentries

[stellaprins]

Why this PR is needed
In February 2025 it was announced that AWS instances provided by The Carpentries for self-organised Data Carpentry Genomics workshops will now have a fee. This change is not reflected in the documentation.

What this PR does
Removes self-organised workshops from the list with cases where The Carpentries will provide AWS instances (free of charge).

Clarifies the options people have when self-organizing: setting up instances themselves, or requestion The Carpentries to provide AWS instances (with a reference to the Genomics Policy here).

Linked issue
Resolves #164

[github-actions]

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🔍 Inspect the changes: https://github.com/datacarpentry/genomics-workshop/compare/md-outputs..md-outputs-PR-165

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 AMI-setup.md | 10 +++++++---
 md5sum.txt   |  2 +-
 2 files changed, 8 insertions(+), 4 deletions(-)

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⏱️ Updated at 2025-10-27 16:09:23 +0000