chore(ext): clean up package.json; rebuild lock

packages/extension/package.json

@@ -5,11 +5,8 @@
     "type": "module",
     "scripts": {
         "dev": "wxt",
-        "dev:firefox": "wxt -b firefox",
         "build:ext": "wxt build",
-        "build:firefox": "wxt build -b firefox",
         "zip": "wxt zip",
-        "zip:firefox": "wxt zip -b firefox",
         "postinstall": "wxt prepare"
     },
     "devDependencies": {
@@ -41,7 +38,6 @@
         "@radix-ui/react-slot": "^1.2.4",
         "@radix-ui/react-switch": "^1.2.6",
         "@radix-ui/react-tooltip": "^1.2.8",
-        "@webext-core/messaging": "^2.3.0",
         "class-variance-authority": "^0.7.1",
         "clsx": "^2.1.1",
         "lucide-react": "^0.563.0",