Revert "stage2: add support for zig cc assembler -mcpu option"
This reverts commit afb9f695b1bdbf81185e7d55d5783bcbab880989.
I don't think this was ever actually verified to fix the thing it
purported to, and it started causing warnings for unused command line
parameters.
b8f85a805bAndrew Kelley committed on 5/23/2021, 11:32:22 PMparentae01c65