src: remove unimplemented method from node.h

This function was not actually available during any part
of the Node 12 release line because it had been removed
earlier (likely accidentally).

Refs: #27220

PR-URL: #30098
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: David Carlier <devnexen@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>

src/node.h

@@ -280,12 +280,6 @@ class NODE_EXTERN MultiIsolatePlatform : public v8::Platform {
                                           void* data) = 0;
 };
 
-// Set up some Node.js-specific defaults for `params`, in particular
-// the ArrayBuffer::Allocator if it is provided, memory limits, and
-// possibly a code event handler.
-NODE_EXTERN void SetIsolateCreateParams(v8::Isolate::CreateParams* params,
-                                        ArrayBufferAllocator* allocator
-                                            = nullptr);
 // Set a number of callbacks for the `isolate`, in particular the Node.js
 // uncaught exception listener.
 NODE_EXTERN void SetIsolateUpForNode(v8::Isolate* isolate);