Remove conda and miniforge instructions

[stellaprins]

This PR updates workshop setup instructions to use uv consistently by removing Miniforge/Anaconda-specific guidance. (conda deactivation comment is kept).

Closes #17

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Rendered Changes

🔍 Inspect the changes: https://github.com/HealthBioscienceIDEAS/napari-taster-aicatalyst/compare/md-outputs..md-outputs-PR-18

The following changes were observed in the rendered markdown documents:

 config.yaml (new) | 92 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 md5sum.txt        |  2 +-
 setup.md          |  7 +----
 3 files changed, 94 insertions(+), 7 deletions(-)

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⏱️ Updated at 2026-09-09 10:31:38 +0000

[davecash75]

Well spotted! Thought I caught all of those guys, but this makes more sense.