PLAYRTS-5584 Remove Play SWI publications

[pyby]

Description

On 1st of July, Play SWI iOS and tvOS applications are removed from the AppStore. Done manually.
For next releases, avoid to republish a new Play SWI release.
Also, remove AppStore links referred to the Play SWI application.

Changes Made

• Remove Play SWI publications on TestFlight and AppStore Connect.
• Remove AppStore and Google Play Store links on the Read Me.
• Remove Play SWI in release checklist.
• Remove Play SWI in Github pages.

Checklist

• I have followed the project's style guidelines.
• I have performed a self-review of my own changes.
• I have made corresponding changes to the documentation.
• My changes do not generate new warnings.
• I have tested my changes and I am confident that it works as expected and doesn't introduce any known regressions.
• I have reviewed the contribution guidelines.