Cleanup the post.js (#644)

Author: martinRenou

wasm_patches/post.js

@@ -4,16 +4,14 @@ Module.wasmTable = wasmTable;
 // Emscripten has a bug where it accidentally exposes an empty object as Module.ERRNO_CODES
 Module.ERRNO_CODES = ERRNO_CODES;
 
-
-
 Module['async_init'] = async function(
-    kernel_root_url, 
+    kernel_root_url,
     pkg_root_url,
-    verbose) {
-    Module['bootstrap_from_empack_packed_environment']
+    verbose
+) {
     return Module['bootstrap_from_empack_packed_environment'](
-    `${kernel_root_url}/empack_env_meta.json`, /* packages_json_url */
-    pkg_root_url,               /* package_tarballs_root_url */
-    verbose                     /* verbose */
+        `${kernel_root_url}/empack_env_meta.json`, /* packages_json_url */
+        pkg_root_url,                              /* package_tarballs_root_url */
+        verbose                                    /* verbose */
     );
-}
+};