disable documentation

common.nix

@@ -89,4 +89,19 @@
       PermitRootLogin = "prohibit-password";
     };
   };
+  documentation = {
+    enable = false;
+    doc.enable = false;
+    dev.enable = false;
+    info.enable = false;
+    nixos = {
+      enable = false;
+      includeAllModules = false;
+      options.warningsAreErrors = false;
+    };
+    man = {
+      enable = false;
+      generateCaches = false;
+    };
+  };
 }