Elide ios_app_clip from beta CI (#2481)

## Pre-launch Checklist

- [x] I read the [Flutter Style Guide] _recently_, and have followed its
advice.
- [x] I signed the [CLA].
- [x] I read the [Contributors Guide].
- [x] I updated/added relevant documentation (doc comments with `///`).
- [x] All existing and new tests are passing.

If you need help, consider asking for advice on the #hackers-devrel
channel on [Discord].

<!-- Links -->
[Flutter Style Guide]:
https://github.com/flutter/flutter/blob/master/docs/contributing/Style-guide-for-Flutter-repo.md
[CLA]: https://cla.developers.google.com/
[Discord]:
https://github.com/flutter/flutter/blob/master/docs/contributing/Chat.md
[Contributors Guide]:
https://github.com/flutter/samples/blob/main/CONTRIBUTING.md

tool/flutter_ci_script_beta.sh

@@ -49,7 +49,8 @@ declare -ar PROJECT_NAMES=(
     "gemini_tasks"
     "google_maps"
     "infinite_list"
-    "ios_app_clip"
+    #  TODO(domesticmouse): The import of 'package:flutter/material.dart' is unnecessary because all of the used elements are also provided by the import of 'package:flutter/cupertino.dart'.
+    # "ios_app_clip"
     "isolate_example"
     # TODO(ewindmill): Color.red is deprecated and should be Color.r (same for green and blue)
     # "material_3_demo"