Delete libcpu's CPUID infra. This is handled by rust-cpuid not rust-x86.
Delete libcpu's CPUID infra. This is handled by rust-cpuid not rust-x86.

Can disable non-upper-case warning now

rexlunae/redox,rexlunae/redox,rexlunae/redox,gz/rust-x86,gz/rust-x86,phil-opp/rust-x86_64