Examine source code of Search Params Remover

{
  "manifest_version": 2,
  "name": "Search Params Remover",
  "version": "0.1.1resigned1",
  "description": "a browser extension helps you surf without utm_source and fbclid",
  "author": "kong0107",
  "icons": {
    "128": "icon.png"
  },
  "browser_action": {
    "default_icon": "icon.png"
  },
  "permissions": [
    "storage",
    "webRequest",
    "webRequestBlocking",
    "*://*/*"
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "background": {
    "scripts": [
      "browser.js",
      "background.js"
    ],
    "persistent": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7e88f1cb-8911-4aa8-a4fe-132f7f9d648d}"
    }
  }
}