nixpkgs: 2023-09-22 -> 2023-09-25

```
• Updated input 'nixpkgs-unpatched':
    'github:nixos/nixpkgs/e35dcc04a3853da485a396bdd332217d0ac9054f' (2023-09-22)
  → 'github:nixos/nixpkgs/6500b4580c2a1f3d0f980d32d285739d8e156d92' (2023-09-25)
```

flake.lock

@@ -52,11 +52,11 @@
     },
     "nixpkgs-unpatched": {
       "locked": {
-        "lastModified": 1695360818,
-        "narHash": "sha256-JlkN3R/SSoMTa+CasbxS1gq+GpGxXQlNZRUh9+LIy/0=",
+        "lastModified": 1695644571,
+        "narHash": "sha256-asS9dCCdlt1lPq0DLwkVBbVoEKuEuz+Zi3DG7pR/RxA=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "e35dcc04a3853da485a396bdd332217d0ac9054f",
+        "rev": "6500b4580c2a1f3d0f980d32d285739d8e156d92",
         "type": "github"
       },
       "original": {

hosts/common/hardware/default.nix

@@ -16,17 +16,6 @@
   #   "systemd.log_level=debug"
   #   "systemd.log_target=console"
 
-  # TODO: remove once it no longer applies
-  # this fixes /mnt/servo-nfs mount failures
-  # <https://github.com/NixOS/nixpkgs/issues/255803>
-  boot.kernelPatches = [{
-    name = "backport-nfs4-selinux-fix";
-    patch = pkgs.fetchpatch {
-      url = "https://patchwork.kernel.org/project/selinux/patch/20230911142358.883728-1-omosnace@redhat.com/raw/";
-      hash = "sha256-m947t39xr4VqJBZ2mYTFq9Up/NWlwueH8aXFZRQwA7c=";
-    };
-  }];
-
   # hack in the `boot.shell_on_fail` arg since that doesn't always seem to work.
   boot.initrd.preFailCommands = "allowShell=1";
 

nixpatches/list.nix

@@ -19,13 +19,6 @@ let
       // (if title != null then { name = title; } else {})
     );
 in [
-  (fetchpatch' {
-    # merged 2023/09/21
-    title = "resholve: fix oildev";
-    prUrl = "https://github.com/NixOS/nixpkgs/pull/256612";
-    hash = "sha256-LmDReZTOQ8nvjmDNlWa8mzD6Ycnq4/Zlr08Kd+xSpzg=";
-  })
-
   # (fetchpatch' {
   #   # fixes /mnt/servo-nfs mount failures
   #   # 2023/09/21: doesn't apply