refactor(wpcarro/emacs): Remove cycle.el's dep on maybe.el

More pruning on inter-library dependencies.

Change-Id: I711ab92f2985b543ee2684752f9cdbf5559f2eaf
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6035
Reviewed-by: wpcarro <wpcarro@gmail.com>
Autosubmit: wpcarro <wpcarro@gmail.com>
Tested-by: BuildkiteCI

users/wpcarro/emacs/pkgs/cycle/default.nix

@@ -12,7 +12,6 @@ let
             dash
           ]) ++
           (with depot.users.wpcarro.emacs.pkgs; [
-            maybe
             struct
           ]);
       })
@@ -20,7 +19,6 @@ let
 
   emacs = (pkgs.emacsPackagesFor pkgs.emacs28).emacsWithPackages (epkgs: [
     epkgs.dash
-    depot.users.wpcarro.emacs.pkgs.maybe
     cycle
   ]);
 in