Death To _blank

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Death To _blank",
  "version": "1.9.0",
  "description": "Keeps links from opening new tabs by removing the _blank attribute",
  "icons": {
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "background": {
    "scripts": [
      "lib/URI.min.js",
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "Death To _blank",
    "default_icon": {
      "16": "images/icon16.png",
      "24": "images/icon24.png",
      "32": "images/icon32.png"
    }
  },
  "content_scripts": [
    {
      "run_at": "document_start",
      "all_frames": true,
      "matches": [
        "http://*/*",
        "https://*/*",
        "ftp://*/*",
        "file://*/*"
      ],
      "js": [
        "lib/jquery-3.2.1.min.js",
        "lib/jquery.onmutate.min.js",
        "content_script.js"
      ]
    }
  ],
  "options_page": "options.html",
  "web_accessible_resources": [
    "lib/jquery-3.2.1.min.map"
  ]
}