chore(pack): drop Aeronautics Iris Fix

It is distributed via CurseForge metadata only, which packwiz cannot
fetch automatically and forces a manual download. Remove it so the pack
stays fully automatic; Iris Veil Compat retains the Create Aeronautics
visual fix for Veil under shaders.

pack.toml

@@ -6,7 +6,7 @@ pack-format = "packwiz:1.1.0"
 [index]
 file = "index.toml"
 hash-format = "sha256"
-hash = "f4af7f3faa2759f380078d0d04bbbf97bc5735bfae39eff72abb487af71f1186"
+hash = "9f2a18ac4d43965390dbcdfddcc9c1a6eadb9dc11ba85ceebd056b3ecab5f873"
 
 [versions]
 minecraft = "1.21.1"