[test-import-restrictions] Remove an outdated comment.

I believe the comment referred to the original reason that `twisty` imported `puzzle-geometry` *directly*. We've since moved to dynamic import only, so the comment is outdated.

script/test/import-restrictions/target-infos.js

@@ -71,9 +71,7 @@ export const targetInfos = {
  "twisty": {
  deps: {
  direct: ["alg", "kpuzzle", "notation", "puzzles"],
- dynamic: [
- "puzzle-geometry", // TODO: remove (workaround for getting Twizzle links)
- ],
+ dynamic: ["puzzle-geometry"],
  },
  },
 };