refactor: simplify source control

modules/lib/schema.nix

@@ -1,10 +1,5 @@
 { lib, ... }:
 let
-  sourceControlScopeType = lib.types.enum [
-    "personal"
-    "work"
-  ];
-
   emailProviderType = lib.types.enum [
     "mxrouting"
     "office365"
@@ -26,21 +21,6 @@ let
         type = lib.mkOption {
           type = emailProviderType;
         };
-
-        scope = lib.mkOption {
-          type = lib.types.nullOr sourceControlScopeType;
-          default = null;
-        };
-      };
-    }
-  );
-
-  sourceControlAccountType = lib.types.submodule (
-    { ... }:
-    {
-      options.projectScope = lib.mkOption {
-        type = sourceControlScopeType;
-        default = "personal";
       };
     }
   );
@@ -72,11 +52,6 @@ let
           default = { };
         };
 
-        sourceControl = lib.mkOption {
-          type = sourceControlAccountType;
-          default = { };
-        };
-
         primaryEmail = lib.mkOption {
           type = lib.types.nullOr emailType;
           description = "Derived primary email entry for this user.";
@@ -133,7 +108,7 @@ let
   );
 
   sourceControlMachineKeyType = lib.types.submodule (
-    { ... }:
+    { name, ... }:
     {
       options = {
         publicKey = lib.mkOption {
@@ -142,8 +117,8 @@ let
         };
 
         privateKeyPath = lib.mkOption {
-          type = lib.types.nullOr lib.types.str;
-          default = null;
+          type = lib.types.str;
+          default = "~/.ssh/id_${name}";
         };
       };
     }