Remove acisimage dependency

[jonas-amme]

AICSImageIO is no longer maintained and is not used anymore in EXACT.

[palguna26]

Hey — I noticed PR reviews here often take time.
I’m building RevFlo, an AI reviewer focused on
high-signal issues (logic, security, edge cases).

I ran it on a few PRs and left comments.
If it’s useful, I’d love to keep it enabled for free
and get your feedback.

Link: https://revflo.site