worker: remove not implemented declarations

PR-URL: nodejs#60655
Reviewed-By: Anna Henningsen <[email protected]>

Author: arturgawlik

src/node_worker.cc

@@ -268,7 +268,6 @@ class WorkerThreadData {
   uv_loop_t loop_;
   bool loop_init_failed_ = true;
   DeleteFnPtr<IsolateData, FreeIsolateData> isolate_data_;
-  const SnapshotData* snapshot_data_ = nullptr;
   friend class Worker;
 };
 

src/node_worker.h

@@ -66,9 +66,6 @@ class Worker : public AsyncWrap {
   std::string_view name() const { return name_; }
 
   static void New(const v8::FunctionCallbackInfo<v8::Value>& args);
-  static void CloneParentEnvVars(
-      const v8::FunctionCallbackInfo<v8::Value>& args);
-  static void SetEnvVars(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void StartThread(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void StopThread(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void HasRef(const v8::FunctionCallbackInfo<v8::Value>& args);