Revert "Create an old program to be used in snapshot. (#3644)"

Ref #3712. This change allowed the deno_typescript crate to reference
cli/js/lib.deno_runtime.d.ts which breaks "cargo package". We intend to
reintroduce a revised version of this patch later once "cargo
package" is working and tested.

This reverts commit 737ab94ea1.

cli/js/compiler_bootstrap.ts

@@ -1,34 +0,0 @@
-// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
-
-import { ASSETS, Host } from "./compiler_host.ts";
-import { core } from "./core.ts";
-import * as dispatch from "./dispatch.ts";
-import { sendSync } from "./dispatch_json.ts";
-
-// This registers ops that are available during the snapshotting process.
-const ops = core.ops();
-for (const [name, opId] of Object.entries(ops)) {
-  const opName = `OP_${name.toUpperCase()}`;
-  // TODO This type casting is dangerous, and should be improved when the same
-  // code in `os.ts` is done.
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  (dispatch as any)[opName] = opId;
-}
-
-const host = new Host({ writeFile(): void {} });
-const options = host.getCompilationSettings();
-
-/** Used to generate the foundational AST for all other compilations, so it can
- * be cached as part of the snapshot and available to speed up startup */
-export const oldProgram = ts.createProgram({
-  rootNames: [`${ASSETS}/bootstrap.ts`],
-  options,
-  host
-});
-
-/** A module loader which is concatenated into bundle files.  We read all static
- * assets during the snapshotting process, which is why this is located in
- * compiler_bootstrap. */
-export const bundleLoader = sendSync(dispatch.OP_FETCH_ASSET, {
-  name: "bundle_loader.js"
-});