Dart: Remove unused generated file, add comments

Author: danleh

Dart/benchmark.js

@@ -2,8 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Excerpt from `build/run_wasm.js` to add own task queue implementation, since
-// `setTimeout` and `queueMicrotask` are not always available in shells.
+// Excerpt from `wasm_gc_benchmarks/tools/run_wasm.js` to add own task queue
+// implementation, since `setTimeout` and `queueMicrotask` are not always
+// available in shells.
+// TODO: Now (2025-08-14) that all shells have `setTimeout` available, can we
+// remove this? Talk to Dart2wasm folks.
 function addTaskQueue(self) {
   "use strict";
 

Dart/build.log

@@ -1,5 +1,5 @@
--e Built on Wed Aug 13 13:03:46 CDT 2025
-Cloning into 'wasm_gc_benchmarks'...
-13951e1 Roll new version of flute and regenerate flute-based benchmarks
-Copying files from wasm_gc_benchmarks/ into build/
-Build success
+Built on Thu Aug 14 04:47:37 PM CEST 2025
+Cloning into 'wasm_gc_benchmarks'...
+13951e1 Roll new version of flute and regenerate flute-based benchmarks
+Copying files from wasm_gc_benchmarks/ into build/
+Build success

Dart/build.sh

@@ -16,8 +16,6 @@ popd
 
 echo "Copying files from wasm_gc_benchmarks/ into build/" | tee -a "$BUILD_LOG"
 mkdir -p build/ | tee -a "$BUILD_LOG"
-# Generic Dart2wasm runner.
-cp wasm_gc_benchmarks/tools/run_wasm.js build/ | tee -a "$BUILD_LOG"
 # Two Flute benchmark applications: complex and todomvc
 cp wasm_gc_benchmarks/benchmarks-out/flute.complex.dart2wasm.{mjs,wasm} build/ | tee -a "$BUILD_LOG"
 cp wasm_gc_benchmarks/benchmarks-out/flute.todomvc.dart2wasm.{mjs,wasm} build/ | tee -a "$BUILD_LOG"