remove unused input

flake.lock

@@ -67,28 +67,6 @@
         "type": "github"
       }
     },
-    "firefox-addons": {
-      "inputs": {
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "dir": "pkgs/firefox-addons",
-        "lastModified": 1751256218,
-        "narHash": "sha256-WC1YSV4lFT41AaEhpiQZRuofe+2WLI9PNuuqgdRmjVM=",
-        "owner": "rycee",
-        "repo": "nur-expressions",
-        "rev": "fa40d85b15cbfb1a488ef9a119ff2d40a481c8da",
-        "type": "gitlab"
-      },
-      "original": {
-        "dir": "pkgs/firefox-addons",
-        "owner": "rycee",
-        "repo": "nur-expressions",
-        "type": "gitlab"
-      }
-    },
     "firefox-gnome-theme": {
       "flake": false,
       "locked": {
@@ -449,7 +427,6 @@
     },
     "root": {
       "inputs": {
-        "firefox-addons": "firefox-addons",
         "home-manager": "home-manager",
         "nix-flatpak": "nix-flatpak",
         "nixpkgs": "nixpkgs",

flake.nix

@@ -8,11 +8,6 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
-    firefox-addons = {
-      url = "gitlab:rycee/nur-expressions?dir=pkgs/firefox-addons";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
-
     nix-flatpak.url = "github:gmodena/nix-flatpak/?ref=latest";
 
     stylix = {