Remove v2 configuration from TypeScript recipe

Fixes #2376

Author: jhechtf

docs/recipes/typescript.md

@@ -15,7 +15,6 @@ You can configure AVA to recognize TypeScript files. Then, with `ts-node` instal
 ```json
 {
 "ava": {
-"compileEnhancements": false,
 "extensions": [
 "ts"
 ],
@@ -39,7 +38,6 @@ Once installed, add the `tsconfig-paths/register` entry to the `require` section
 ```json
 {
 "ava": {
-"compileEnhancements": false,
 "extensions": [
 "ts"
 ],