[test-import-restrictions] Remove an outdated comment.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 We've since moved to dynamic import only, so the comment is outdated.

Author: lgarron

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"],
     },
   },
 };