docs: Update M1 docs for Puppeteer 12
Created by: chrismwendt
Now that we're on Puppeteer 12 which supports Mac M1s #28783, we don't need to download Chromium separately.
Related: #29068
Created by: chrismwendt
Now that we're on Puppeteer 12 which supports Mac M1s #28783, we don't need to download Chromium separately.
Related: #29068