[HACK] unwire deployment resource-mapping output-type, fixes error: Expected a module, but found a value of type "option-type"

deployment/data-model-test.nix

@@ -7,15 +7,12 @@ let
     (lib.evalModules {
       specialArgs = {
         inherit inputs;
-        # to be passed to nixops4Deployment
-        resourceProviderSystem = builtins.currentSystem;
       };
       modules = [
         module
         ./data-model.nix
       ];
     }).config;
-  nixops4Deployment = import ./deployment.nix { inherit inputs; };
 in
 {
   test-eval = {
@@ -171,10 +168,7 @@ in
                 };
               };
               example-deployment = mkOption {
-                type = types.submoduleWith {
+                type = types.raw;
-                  class = "nixops4Deployment";
-                  modules = [ nixops4Deployment ];
-                };
                 readOnly = true;
                 default = config.environments.single-nixos-vm.deployment config.example-configuration;
               };

deployment/data-model.nix

@@ -1,7 +1,6 @@
 {
   lib,
   config,
-  inputs,
   ...
 }:
 let
@@ -13,11 +12,10 @@ let
     submoduleWith
     optionType
     functionTo
+    raw
     ;
 
   functionType = import ./function.nix;
-  nixops4Deployment = import ./deployment.nix { inherit inputs; };
-
   configuration = mkOption {
     description = "Configuration type declaring options to be set by operators";
     type = optionType;
@@ -146,10 +144,7 @@ in
               };
               implementation = mkOption {
                 description = "Mapping of resources required by applications to available resources; the result can be deployed";
-                type = functionTo (submoduleWith {
+                type = functionTo raw;
-                  class = "nixops4Deployment";
-                  modules = [ environment.config.resource-mapping.output-type ];
-                });
               };
               resource-mapping = mkOption {
                 description = "Function type for the mapping from resources to a (NixOps4) deployment";
@@ -160,15 +155,12 @@ in
                 readOnly = true;
                 default = {
                   input-type = configuration;
-                  output-type = nixops4Deployment;
+                  output-type = raw;
                 };
               };
               deployment = mkOption {
                 description = "Generate a deployment from a configuration";
-                type = functionTo (submoduleWith {
+                type = functionTo raw;
-                  class = "nixops4Deployment";
-                  modules = [ environment.config.resource-mapping.output-type ];
-                });
                 readOnly = true;
                 default =
                   cfg: