src: remove unused CancelPendingDelayedTasks

PR-URL: #32859
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Juan José Arboleda <soyjuanarbol@gmail.com>
Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com>

src/node.h

@@ -295,11 +295,6 @@ class NODE_EXTERN MultiIsolatePlatform : public v8::Platform {
   virtual bool FlushForegroundTasks(v8::Isolate* isolate) = 0;
   virtual void DrainTasks(v8::Isolate* isolate) = 0;
 
-  // TODO(addaleax): Remove this, it is unnecessary.
-  // This would currently be called before `UnregisterIsolate()` but will be
-  // folded into it in the future.
-  virtual void CancelPendingDelayedTasks(v8::Isolate* isolate);
-
   // This needs to be called between the calls to `Isolate::Allocate()` and
   // `Isolate::Initialize()`, so that initialization can already start
   // using the platform.

src/node_platform.cc

@@ -609,6 +609,4 @@ std::queue<std::unique_ptr<T>> TaskQueue<T>::PopAll() {
   return result;
 }
 
-void MultiIsolatePlatform::CancelPendingDelayedTasks(Isolate* isolate) {}
-
 }  // namespace node