std.os.linux: Remove the sparc64 workaround in fadvise().
This does not seem to be needed anymore, and it's unclear if it was ever truly
needed or if it was just there to deal with a QEMU/strace bug.
See: https://github.com/ziglang/zig/pull/8301#issuecomment-2184995749
43410cdfe9Alex Rønne Petersen committed on 7/29/2024, 7:50:41 AMparent890433e