Get rid of the superfluous bootstrap file as it appears to be causing Webpack problems

web/demo/webpack.config.js

@@ -13,7 +13,7 @@ module.exports = (env, argv) => {
   console.log(`Building ${mode}...`);
 
   return {
-    entry: path.resolve(__dirname, "www/bootstrap.js"),
+    entry: path.resolve(__dirname, "www/index.js"),
     output: {
       path: path.resolve(__dirname, "dist"),
       filename: "index.js",

web/demo/www/bootstrap.js

@@ -1,5 +0,0 @@
-// A dependency graph that contains any wasm must all be imported
-// asynchronously. This `bootstrap.js` file does the single async import, so
-// that no one else needs to worry about it again.
-import("./index.js")
-  .catch(e => console.error("Error importing `index.js`:", e));