Hide morning in Calendar

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Hide morning in Calendar",
  "description": "Hide morning hours on your Google Calendar to stop wasting space on your screen for empty hours.",
  "version": "0.1.9",
  "permissions": [],
  "background": {
    "scripts": [
      "src/background/externals/amplitudeSnippet.js",
      "src/legacy/impure.js",
      "src/background/bgStateManager.js",
      "src/background/bgMain.js"
    ]
  },
  "content_scripts": [
    {
      "css": [
        "src/tadaSleep.css"
      ],
      "js": [
        "src/legacy/pure.js",
        "src/legacy/impure.js",
        "src/content/dom/find/gcalElements.js",
        "src/content/dom/find/tadaElements.js",
        "src/content/dom/domManipulation.js",
        "src/content/dom/domAnalysis.js",
        "src/content/dom/tadaElems.js",
        "src/content/dataManipulation.js",
        "src/content/micro/cStateManager.js",
        "src/content/micro/gatherEssentials.js",
        "src/content/micro/environmentWatchdog.js",
        "src/content/cMain.js"
      ],
      "matches": [
        "https://calendar.google.com/calendar/*"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_action": {
    "default_popup": "src/browserAction/browserAction.html",
    "css": "src/browserAction/browserAction.css",
    "default_icon": {
      "16": "images/bedtime-icon-16.png",
      "32": "images/bedtime-icon-32.png",
      "64": "images/bedtime-icon-64.png",
      "128": "images/bedtime-icon-128.png"
    }
  },
  "icons": {
    "16": "images/bedtime-icon-16.png",
    "32": "images/bedtime-icon-32.png",
    "64": "images/bedtime-icon-64.png",
    "128": "images/bedtime-icon-128.png"
  },
  "web_accessible_resources": [
    "images/*"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self';"
}