src: remove usage of deprecated IsNearDeath

Refs: v8/v8@06193b0

PR-URL: #26630
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: James M Snell <jasnell@gmail.com>

src/node_object_wrap.h

@@ -38,7 +38,6 @@ class ObjectWrap {
   virtual ~ObjectWrap() {
     if (persistent().IsEmpty())
       return;
-    assert(persistent().IsNearDeath());
     persistent().ClearWeak();
     persistent().Reset();
   }