Partially revert 55c4772c6a63b95a0a6e0321a8eeef22e278204e

It seems curl doesn't like the new ca_root_certificates package.
This breaks git clone and probably other things.
Maybe it has to do with the version string.

Since I can't seem to build a replacement curl, I'm reverting to the previous
ca_root_certificates so at least next nightly still works.