[Merged by Bors] - chore: golf using ext; simpa

[euprunin]

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Trace profiling results (shown if ≥10 ms before or after):

• StarMemClass.star_coe_eq: <10 ms before, <10 ms after 🎉
• Set.MapsTo.iterate_restrict: 15 ms before, <10 ms after 🎉
• Fintype.IsSimpleOrder.univ: <10 ms before, 14 ms after
• Set.Iic_ciInf: 12 ms before, 19 ms after
• coe_primesOverFinset: 47 ms before, 13 ms after 🎉

This golfing PR is batched under the following guidelines:

• Up to ~5 changed files per PR
• Up to ~25 changed declarations per PR
• Up to ~100 changed lines per PR

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[github-actions]

PR summary c674151585

Import changes for modified files

No significant changes to the import graph

Import changes for all files

Files	Import difference

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Declarations diff

No declarations were harmed in the making of this PR! 🐙

You can run this locally as follows

## summary with just the declaration names:
./scripts/declarations_diff.sh <optional_commit>

## more verbose report:
./scripts/declarations_diff.sh long <optional_commit>

The doc-module for script/declarations_diff.sh contains some details about this script.

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No changes to technical debt.

You can run this locally as

./scripts/technical-debt-metrics.sh pr_summary

• The relative value is the weighted sum of the differences with weight given by the inverse of the current value of the statistic.
• The absolute value is the relative value divided by the total sum of the inverses of the current values (i.e. the weighted average of the differences).

[jcommelin]

Thanks 🎉

bors merge

[mathlib-bors]

Pull request successfully merged into master.

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