This upgrade is no longer needed as we test using the Ubuntu 20.04 image which comes with the correct, up-to-date version of setup tools. Change-Id: I194f26381f59f5ca3edea46696e6d5b2b0418719 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/49043 Reviewed-by: Jason Lowe-Power <power.jg@gmail.com> Maintainer: Jason Lowe-Power <power.jg@gmail.com> Tested-by: kokoro <noreply+kokoro@google.com>