src: remove return after abort

PR-URL: https://github.com/nodejs/node/pull/46172
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

src/node_builtins.cc

@@ -247,7 +247,6 @@ void BuiltinLoader::AddExternalizedBuiltin(const char* id,
     fprintf(
         stderr, "Cannot load externalized builtin: \"%s:%s\".\n", id, filename);
     ABORT();
-    return;
   }
 
   Add(id, source);