[Merged by Bors] - chore: yet again, some removed variables

[adomani]

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[github-actions]

PR summary f15ecd4419

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.

[jcommelin]

Thanks 🎉

If CI passes, please remove the label awaiting-CI and merge this yourself, by adding a comment bors r+.

bors d+

[mathlib-bors]

✌️ adomani can now approve this pull request. To approve and merge a pull request, simply reply with bors r+. More detailed instructions are available here.

[adomani]

bors merge

[mathlib-bors]

Pull request successfully merged into master.

Build succeeded:

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