Revert "Workaround for #87" · math-comp/algebra-tactics@6bae987

The following actions use a deprecated Node.js version and will be forced to run on node20: actions/checkout@v3. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/

Notations "[ seq _ | _ <- _ ]" defined at level 0 with arguments

Notations "\pi ( _ )" defined at level 2 and "\pi"

Notations "[ seq _ | _ <- _ ]" defined at level 0 with arguments

Notations "[ seq _ | _ <- _ ]" defined at level 0 with arguments

Notations "[ seq _ | _ <- _ ]" defined at level 0 with arguments

Notations "\pi ( _ )" defined at level 2 and "\pi"

Notations "[ seq _ | _ <- _ ]" defined at level 0 with arguments

Notations "\pi ( _ )" defined at level 2 and "\pi"

Notations "[ seq _ | _ <- _ ]" defined at level 0 with arguments

Notations "\pi ( _ )" defined at level 2 and "\pi"

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