feat(yubikey): declare yubikey-manager

hosts/andromache/default.nix

@@ -91,21 +91,8 @@ in
   ];
 
   my.yubikey = {
-    enable = false;
-    keys = [
-      {
-        handle = "<KeyHandle1>";
-        userKey = "<UserKey1>";
-        coseType = "<CoseType1>";
-        options = "<Options1>";
-      }
-      {
-        handle = "<KeyHandle2>";
-        userKey = "<UserKey2>";
-        coseType = "<CoseType2>";
-        options = "<Options2>";
-      }
-    ];
+    enable = true;
+    pam.enable = false;
   };
 
   services.locate = {