scripts/ci: remove CentOS bits from common build-environment

Although I've just removed the CentOS specific build-environment its
probably a bit too confusing to have multiple distros mixed up in one
place. Prior to moving clean-up what will be just for ubuntu.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240603175328.3823123-6-alex.bennee@linaro.org>
1 file changed