docs: remove steps weirdness

Author: pixelscript

README.md

@@ -88,13 +88,7 @@ Pure schema-driven fields (text, number, boolean, enum, arrays, nested objects,
 ## Development
 
 ```sh
-pnp
-
-> `@amplience/content-model-js` is hosted on the GitHub Packages npm registry. The bundled [.npmrc](.npmrc) sets `@amplience:registry=https://npm.pkg.github.com`. To install you need a GitHub PAT with `read:packages` scope exposed via `~/.npmrc`:
->
-> ```
-> //npm.pkg.github.com/:_authToken=YOUR_GITHUB_TOKEN
-> ```m install
+pnpm install
 pnpm build      # compile extension + webview shim
 pnpm watch      # rebuild on change
 ```