Update readme setup info

We no longer need an ancient version of node for vscode-textmate

README.md

@@ -93,17 +93,11 @@ The haxe.org website was designed to be easy to generate, to run a local copy fo
 * Haxelib
 * Neko
 * cUrl
-* NodeJS 10 (via `nvm`: <https://github.com/nvm-sh/nvm>)
+* NodeJS
+* npm
 
 ### Setting up
 
-* Set up node using nvm:
-
-```sh
-nvm install 10
-npm config set node_gyp $(npm prefix -g)/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js
-```
-
 * Install the dependencies `haxelib install all` and `npm install` in the root directory.
 * Update submodule dependencies `git submodule init && git submodule update`.
 * Clone the manual into the `manual` directory with `git clone https://github.com/HaxeFoundation/HaxeManual.git manual`.