make_chroot: drop git/curl/openssl manual updating

This code is necessary when openssl is a cros-workon package, but we
migrated away from that a while ago.  Dropping this logic speeds up
chroot creation and simplifies the code.

BUG=chromium:342199
TEST=`cbuildbot chromiumos-sdk` passes
TEST=creating a new chroot works

Change-Id: I8eb7b307a39ae892f8613daee320132cd61a41a1
Reviewed-on: https://chromium-review.googlesource.com/227601
Reviewed-by: David James <davidjames@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
1 file changed