ReRevert Merge x-updates into master
This reverts commit ec3965d8d0b5594a9db11e6c9cd1c28d36e91cde.
Conflicts (taken x-updates):
pkgs/development/libraries/libgcrypt/default.nix
pkgs/development/libraries/libgpg-error/default.nix
pkgs/development/libraries/poppler/default.nix