Remove duplicated quotes

Author: bocharsky-bw

webpack.config.js

@@ -1,6 +1,6 @@
 // This project uses "Yarn" package manager for managing JavaScript dependencies along
 // with "Webpack Encore" library that helps working with the CSS and JavaScript files
-// that are stored in the "assets/"" directory.
+// that are stored in the "assets/" directory.
 //
 // Read https://symfony.com/doc/current/frontend.html to learn more about how
 // to manage CSS and JavaScript files in Symfony applications.