Examine source code of No videos

{
  "manifest_version": 2,
  "name": "No videos",
  "short_name": "no-videos",
  "description": "Remove videos",
  "version": "0.5.1",
  "homepage_url": "https://gitlab.com/sblondon/mozsearch-pypi",
  "icons": {
    "48": "icons/logo.svg",
    "96": "icons/logo.svg"
  },
  "permissions": [
    "<all_urls>",
    "tabs",
    "activeTab"
  ],
  "browser_action": {
    "default_icon": "icons/logo-enabled.svg"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d20275c6-ea84-4605-b89f-213ceee81431}"
    }
  }
}