Update ripple-lib samples to 1.10.0

- Removes lodash dependecy for web version
- Uses the new generateFaucetWallet() API method
- Make 'issue a token' code capable of running in-browser or in Node.js
  without modification

content/_code-samples/issue-a-token/js/package.json

@@ -1,6 +1,5 @@
 {
   "dependencies": {
-    "node-fetch": "^2.6.1",
-    "ripple-lib": "^1.9.8"
+    "ripple-lib": "^1.10.0"
   }
 }