remove librewolf overlay

flake.lock

@@ -417,22 +417,6 @@
         "type": "github"
       }
     },
-    "nixpkgs-2605": {
-      "locked": {
-        "lastModified": 1787525875,
-        "narHash": "sha256-sKbMlkDCBVmAjUVT94LwhVtET/YEMtZaFdn5UduWxz8=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "a3b98866eecd08edac6e61a3081e69540a35020f",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixos-26.05",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
     "nixpkgs-lib": {
       "locked": {
         "lastModified": 1785031560,
@@ -575,7 +559,6 @@
         "nix-sweep": "nix-sweep",
         "nixos-hardware": "nixos-hardware",
         "nixpkgs": "nixpkgs_2",
-        "nixpkgs-2605": "nixpkgs-2605",
         "nixpkgs-linuxeol": "nixpkgs-linuxeol",
         "peerix": "peerix",
         "plasma-manager": "plasma-manager"

flake.nix

@@ -14,7 +14,6 @@
 
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
-    nixpkgs-2605.url = "github:NixOS/nixpkgs/nixos-26.05";
     nixpkgs-linuxeol.url = "github:NixOS/nixpkgs/162f04bf3dd222187388bc990a8678170d594419";
     nixos-hardware = {
       url = "github:NixOS/nixos-hardware/master";

lib/mkNixosSystem.nix

@@ -1,7 +1,6 @@
 {
   self,
   nixpkgs,
-  nixpkgs-2605,
   home-manager,
   nix-flatpak,
   plasma-manager,
@@ -29,9 +28,6 @@ nixpkgs.lib.nixosSystem {
   modules = [
     {
       nixpkgs.overlays = [
-        (final: prev: {
-          librewolf = nixpkgs-2605.legacyPackages.${prev.system}.librewolf;
-        })
         claude-code.overlays.default
         acer-wmi-ext.overlays.default
         nix-skills.overlays.default