fix: remove deprecated static dir

Author: eps1lon

docs/package.json

@@ -9,7 +9,7 @@
     "build-sw": "node ./scripts/buildServiceWorker.js",
     "dev": "rimraf ./node_modules/.cache/babel-loader && cross-env NODE_ENV=development node src/server.js",
     "deploy": "git push material-ui-docs master:latest",
-    "export": "rimraf docs/export && next export --threads=3 -o export && yarn build-sw && cpy cdn/. export",
+    "export": "rimraf docs/export && next export --threads=3 -o export && yarn build-sw",
     "icons": "rimraf static/icons/* && node ./scripts/buildIcons.js",
     "start": "next start",
     "typescript": "tslint -p tsconfig.json \"src/pages/**/*.{ts,tsx}\"",

docs/pages/_document.js

@@ -44,10 +44,10 @@ export default class MyDocument extends Document {
             manifest.json provides metadata used when your web app is added to the
             homescreen on Android. See https://developers.google.com/web/fundamentals/engage-and-retain/web-app-manifest/
           */}
-          <link rel="manifest" href="/static/manifest.json" />
+          <link rel="manifest" href="/manifest.json" />
           {/* PWA primary color */}
           <meta name="theme-color" content={themeColor} />
-          <link rel="shortcut icon" href="/static/favicon.ico" />
+          <link rel="shortcut icon" href="/favicon.ico" />
           {/* iOS Icon */}
           <link rel="apple-touch-icon" sizes="180x180" href="/static/icons/180x180.png" />
           {/* SEO */}