Removes cloudflare-dyndns patch

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/dad4de1694cd92d9a0e123bfdf134d0047b836a5' (2022-11-14)
  → 'github:nixos/nixpkgs/85d6b3990def7eef45f4502a82496de02a02b6e8' (2022-11-15)

flake.lock

@@ -87,11 +87,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1668443372,
-        "narHash": "sha256-lXNlVyNWwO22/JUdBtUWz68jZB3DM+Jq/irlsbwncI0=",
+        "lastModified": 1668505710,
+        "narHash": "sha256-DulcfsGjpSXL9Ma0iQIsb3HRbARCDcA+CNH67pPyMQ0=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "dad4de1694cd92d9a0e123bfdf134d0047b836a5",
+        "rev": "85d6b3990def7eef45f4502a82496de02a02b6e8",
         "type": "github"
       },
       "original": {

flake.nix

@@ -28,12 +28,7 @@
   outputs = inputs@{ nixpkgs, home-manager, ... }:
     let
       system = "x86_64-darwin";
-      nixpkgs-patched = (import nixpkgs { inherit system; }).applyPatches {
-        name = "nixpkgs-patched-198739";
-        src = nixpkgs;
-        patches = [ ./packages/nixos-nixpkgs-198739.patch ];
-      };
-      pkgs = import nixpkgs-patched {
+      pkgs = import nixpkgs {
         inherit system;
         config = { allowUnfree = true; };
       };