Revert of [Atomics] code stubs for atomic operations

src/bootstrapper.cc

Index: src/bootstrapper.cc
diff --git a/src/bootstrapper.cc b/src/bootstrapper.cc
index 983b55fef8f4c093950337dbbfb0b1a595c485e1..ba076a102d45d96069f7f3bfb72aa8d98c5910db 100644
--- a/src/bootstrapper.cc
+++ b/src/bootstrapper.cc
@@ -2442,24 +2442,9 @@
   if (!FLAG_harmony_sharedarraybuffer) return;
 
   Handle<JSGlobalObject> global(native_context()->global_object());
-  Isolate* isolate = global->GetIsolate();
-  Factory* factory = isolate->factory();
-
   Handle<JSFunction> shared_array_buffer_fun =
       InstallArrayBuffer(global, "SharedArrayBuffer");
   native_context()->set_shared_array_buffer_fun(*shared_array_buffer_fun);
-
-  Handle<String> name = factory->InternalizeUtf8String("Atomics");
-  Handle<JSFunction> cons = factory->NewFunction(name);
-  JSFunction::SetInstancePrototype(
-      cons,
-      Handle<Object>(native_context()->initial_object_prototype(), isolate));
-  Handle<JSObject> atomics_object = factory->NewJSObject(cons, TENURED);
-  DCHECK(atomics_object->IsJSObject());
-  JSObject::AddProperty(global, name, atomics_object, DONT_ENUM);
-
-  SimpleInstallFunction(atomics_object, factory->InternalizeUtf8String("load"),
-                        Builtins::kAtomicsLoadCheck, 2, true);
 }