Remove an outdated comment

Author: louischan-oursky

.github/workflows/ci.yaml

@@ -18,9 +18,6 @@ jobs:
     - uses: ruby/setup-ruby@v1
       with:
         bundler-cache: true
-    # Xcode_16.2.app is available, but it does not have any simulator pre-installed.
-    # So it is not really usable.
-    # Let's use Xcode_16.1.app instead.
     - run: sudo xcode-select -s /Applications/Xcode_16.2.app/Contents/Developer
     - uses: subosito/flutter-action@v2
       with: