[4] correct single line comment style

[PhilETaylor]

Summary of Changes

change /** */ syntax to // to comply with https://developer.joomla.org/coding-standards/inline-code-comments.html for single line comments

No code changes.

[Quy]

I have tested this item ✅ successfully on 28e1a8a

---

_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/31946.}

[richard67]

I have tested this item ✅ successfully on 28e1a8a

---

_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/31946.}

[richard67]

RTC

---

_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/31946.}

[wilsonge]

This is the same line that's in index.php for each app entry point. If you're doing it here we should be consistent in doing it everywhere

[drmenzelit]

Thanks