Fix double declaration issue when importing custom packages

hosts/common/global/user.nix

@@ -8,7 +8,6 @@
 }: let
   ifTheyExist = groups: builtins.filter (group: builtins.hasAttr group config.users.groups) groups;
 in {
-  imports = builtins.attrValues outputs.nixosModules; #propagates imports downwards
   users.users.${vars.user} = {
     isNormalUser = true;
     shell = pkgs.fish;