amazon-glacier-cmd-interface: remove package

[mkenigs]

Last real upstream activity appears to be ~6 years ago and depends on
python2 packages that will soon be vulnerable

Helps #101964

Motivation for this change

Things done

• Tested using sandboxing (nix.useSandbox on NixOS, or option sandbox in nix.conf on non-NixOS linux)
• Built on platform(s)
  • NixOS
  • macOS
  • other Linux distributions
• Tested via one or more NixOS test(s) if existing and applicable for the change (look inside nixos/tests)
• Tested compilation of all pkgs that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review wip"
• Tested execution of all binary files (usually in ./result/bin/)
• Determined the impact on package closure size (by running nix path-info -S before and after)
• Ensured that relevant documentation is up to date
• Fits CONTRIBUTING.md.

[jonringer]

for removal of top-level attrs, we usually add an entry to pkgs/top-level/aliases.nix which will thrown error.

I think we should say something like:

amazon-glacier-cmd-interface has been removed due to it being unmaintained

Which is true, if it was python3, we wouldn't be doing this.

cc @jtojnar

[mkenigs]

Added an alias!

[jtojnar]

Thanks.