doc: remove last example use of require('crypto').webcrypto

PR-URL: #45819
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Akhil Marsonya <akhil.marsonya27@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>

doc/api/crypto.md

@@ -1930,8 +1930,8 @@ added: v15.0.0
 Example: Converting a `CryptoKey` instance to a `KeyObject`:
 
 ```mjs
-const { webcrypto, KeyObject } = await import('node:crypto');
-const { subtle } = webcrypto;
+const { KeyObject } = await import('node:crypto');
+const { subtle } = globalThis.crypto;
 
 const key = await subtle.generateKey({
   name: 'HMAC',
@@ -1945,12 +1945,8 @@ console.log(keyObject.symmetricKeySize);
 ```
 
 ```cjs
-const {
-  webcrypto: {
-    subtle,
-  },
-  KeyObject,
-} = require('node:crypto');
+const { KeyObject } = require('node:crypto');
+const { subtle } = globalThis.crypto;
 
 (async function() {
   const key = await subtle.generateKey({

src/crypto/README.md

@@ -310,12 +310,12 @@ crypto.randomFill(buf, (err, buf) => {
 For the legacy Node.js crypto API, asynchronous single-call
 operations use the traditional Node.js callback pattern, as
 illustrated in the previous `randomFill()` example. In the
-Web Crypto API (accessible via `require('node:crypto').webcrypto`),
+Web Crypto API (accessible via `globalThis.crypto`),
 all asynchronous single-call operations are Promise-based.
 
 ```js
 // Example Web Crypto API asynchronous single-call operation
-const { subtle } = require('node:crypto').webcrypto;
+const { subtle } = globalThis.crypto;
 
 subtle.generateKeys({ name: 'HMAC', length: 256 }, true, ['sign'])
   .then((key) => {