[Backport release-25.05]: nixos/slurm: remove mysql/InnoDB tuning settings, unbreak test

[markuskowa]

The tuning settings are recommended for production setups: (https://slurm.schedmd.com/accounting.html#slurm-accounting-configuration-before-build)

These are not needed in the test and broke the MySQL service.

(cherry picked from commit 68d450a)

manual back port of #415523

Things done

• Built on platform:
  • x86_64-linux
  • aarch64-linux
  • x86_64-darwin
  • aarch64-darwin
• Tested, as applicable:
  • NixOS tests in nixos/tests.
  • Package tests at passthru.tests.
  • Tests in lib/tests or pkgs/test for functions and "core" functionality.
• Ran nixpkgs-review on this PR. See nixpkgs-review usage.
• Tested basic functionality of all binary files, usually in ./result/bin/.
• Nixpkgs Release Notes
  • Package update: when the change is major or breaking.
• NixOS Release Notes
  • Module addition: when adding a new NixOS module.
  • Module update: when the change is significant.
• Fits CONTRIBUTING.md, pkgs/README.md, maintainers/README.md and other READMEs.

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[wolfgangwalther]

Triggering CI again after fixing #433074.

[markuskowa]

@ofborg build slurm
@ofborg test slurm

[wolfgangwalther]

That didn't work out the first time, ofborg had internal problems. Let's try again.

@ofborg build slurm
@ofborg test slurm

[markuskowa]

@wolfgangwalther it seems that ofborg is still out of order:

 error: cannot open connection to remote store 'daemon': error: reading from file: Connection reset by peer

[wolfgangwalther]

nixpkgs-review result

Generated using nixpkgs-review.

Command: nixpkgs-review pr 432790 --package slurm.tests
Commit: 587d72880ab28d2c5ee8b8f5c5bd52661e868626

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x86_64-linux

✅ 1 package built:

• slurm.tests.slurm