Revert "buildClan: Add automatic inventory import directory"

This reverts commit 850eabb98c.

This introduces the name "inventory module" whereas we already use the
term clan modules everywhere else. I don't don't too many confusing
termologies in the codebase. Let's discuss this before adding it back.

lib/build-clan/default.nix

@@ -35,6 +35,5 @@ eval {
     rest
     # implementation
     ./module.nix
-    ./imports.nix
   ];
 }

lib/build-clan/imports.nix

@@ -1,72 +0,0 @@
-{
-  config,
-  lib,
-  ...
-}:
-##################################
-#                                #
-# Handle the "imports" directory #
-#                                #
-##################################
-
-let
-  inherit (config)
-    directory
-    ;
-
-  # Check if the imports directory exists
-  # If it does, check if the files in the directory are allowed
-  importsDir =
-    if builtins.pathExists "${directory}/imports" then
-      (
-        let
-          allowedFiles = [
-            "inventory"
-          ];
-          invalidImports = lib.filter (name: !(lib.elem name allowedFiles)) (
-            builtins.attrNames (builtins.readDir "${directory}/imports")
-          );
-        in
-        if invalidImports != [ ] then
-          builtins.throw ''
-            Invalid file imports/{${lib.concatStringsSep ", " invalidImports}}. 
-            Allowed are imports/{${lib.concatStringsSep ", " allowedFiles}}
-          ''
-        else
-          "${directory}/imports"
-      )
-    else
-      "${directory}/imports";
-
-  # Get the directory names in the inventory/imports directory
-  inventoryImportNames =
-    if builtins.pathExists "${importsDir}/inventory" then
-      let
-        inventoryEntries = builtins.readDir "${importsDir}/inventory";
-        invalidFiles = builtins.attrNames (lib.filterAttrs (_: type: type == "regular") inventoryEntries);
-      in
-      if invalidFiles != [ ] then
-        builtins.throw ''
-          Invalid file(s) in imports/inventory/{${lib.concatStringsSep ", " invalidFiles}}
-          Only directories are allowed.
-        ''
-      else
-        builtins.attrNames (lib.filterAttrs (_: type: type == "directory") inventoryEntries)
-    else
-      [ ];
-
-  # Check if the roles directory exists in each inventory import
-  inventoryImportAttrsetWithCheck = lib.genAttrs inventoryImportNames (
-    name:
-    let
-      rolesDir = "${directory}/imports/inventory/${name}/roles";
-    in
-    if builtins.pathExists rolesDir then
-      rolesDir
-    else
-      builtins.throw "The module ${name} is not inventory compatible because the roles directory does not exist at ${rolesDir}"
-  );
-in
-{
-  inventory.modules = inventoryImportAttrsetWithCheck;
-}

lib/build-clan/module.nix

@@ -167,7 +167,6 @@ let
       (builtins.fromJSON (builtins.readFile inventoryFile))
     else
       { };
-
 in
 {
   imports = [
@@ -190,9 +189,7 @@ in
       inventory.machines = lib.mapAttrs (_n: _: { }) config.machines;
     }
     # Merge the meta attributes from the buildClan function
-    {
-      inventory.modules = clan-core.clanModules;
-    }
+    { inventory.modules = clan-core.clanModules; }
     # config.inventory.meta <- config.meta
     { inventory.meta = config.meta; }
     # Set default for computed tags