Simplify package DB logic by removing GHC 7.6 compatibility layer

[zlonast]

Template Α: This PR modifies behaviour or interface

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[mergify]

Merge Queue Status

• ✅ Entered queue — 2026-04-11 22:09 UTC · Rule: default
• ✅ Checks passed · on draft merge queue: embarking master (3c4c113) and #11710 together #11740
• ✅ Merged — 2026-04-11 23:52 UTC · at 71345606fb31431ef4e812f50a8780d1c0a288c1

This pull request spent 1 hour 42 minutes 45 seconds in the queue, including 1 hour 32 minutes 29 seconds running CI.

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  • Simplify package DB logic by removing GHC 7.6 compatibility layer #11710
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  • Simplify package DB logic by removing GHC 7.6 compatibility layer #11710
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  • Simplify package DB logic by removing GHC 7.6 compatibility layer #11710
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