xcb-proto: Remove unneeded 'inreplace' statement.
xcb-proto: Remove unneeded 'inreplace' statement.

Remove an 'inreplace' statement superceeded by the patch
with the fix to use math.gcd() or fractions.gcd() depending
on Python version which is the fix for #21816.

Linuxbrew/homebrew-core,Linuxbrew/homebrew-core