io_uring: make Linux version check runtime instead od comptime

Reverting previous change.
I'm building test bin and then running it in virtual machines with different
kernels. So Linux kernel checks has to be runtime instead of comptime.
ccf5a6cc5cIgor Anić committed on 11/17/2023, 9:17:00 PMparenta7001b8
1 file changedLine totals unavailable