Remove unused i18n options in Infrastructure registry packages list

What does this MR do and why?

Since the delete package modal has been refactored to a shared component in !100439 (merged) these options are no longer needed.

Screenshots or screen recordings

No UI change

How to set up and validate locally

Follow-up to !100439 (merged)

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.

Related to #376735 (closed)