Remove Google Docs Type @ To Insert

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Remove Google Docs Type @ To Insert",
  "version": "1.0.0",
  "description": "Removes the 'Type @ to Insert' bubble that appears whenever you type a new line in Google Docs.",
  "content_scripts": [
    {
      "js": [
        "content.js"
      ],
      "matches": [
        "https://docs.google.com/document/*"
      ]
    }
  ],
  "icons": {
    "16": "icon16.png",
    "32": "icon32.png",
    "48": "icon48.png",
    "128": "icon128.png"
  }
}