Don't pre-install acpi_call-dkms

Nate Grahamrequested to merge
work/ngraham/remove-acpi_call into master

This will make us fail shim review.

I only added it in the first place to work around a driver issue on my wife's laptop, but it was fixed upstream soon afterwards anyway — a testament to the value of properly reporting issues rather then empowering people to silently work around them.

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