Remove manifest.json link in index.html

Author: clemlatz

client/public/index.html

@@ -13,11 +13,6 @@
       rel="stylesheet"
       href="https://maxcdn.bootstrapcdn.com/font-awesome/4.6.1/css/font-awesome.min.css"
     />
-    <!--
-      manifest.json provides metadata used when your web app is installed on a
-      user's mobile device or desktop. See https://developers.google.com/web/fundamentals/web-app-manifest/
-    -->
-    <link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
     <!--
       Notice the use of %PUBLIC_URL% in the tags above.
       It will be replaced with the URL of the `public` folder during the build.