Bump efivarfs_get_variable throughput to 50 variables/second from 33⅓#259

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nabijaczleweli wants to merge 2 commits intorhboot:mainfrom nabijaczleweli:50

+9-31

Commits on Nov 21, 2023

Remove extraneous and broken self-imposed 20ms sleep (nominally-50/s-rate limit) for each EFI variable read
nabijaczleweli
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Bump efivarfs_get_variable throughput to 50 variables/second from 33⅓
nabijaczleweli
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