`node:repl` package not polyfilled in Deno

[renhiyama]

> import "node:repl"
Uncaught TypeError: Unknown built-in "node:" module: repl
    at async <anonymous>:2:1

This would fix cli based runtimes which have a set of extra features on top of node repl already.

[lachrimae]

FWIW I can't replicate this. Import looks fine to me.

> import "node:repl"
[Module: null prototype] {
   ...
}