chore: remove gatsby-plugin-loadable-components-ssr

[Kikobeats]

unfortunately the build is reporting problems:

jsonp chunk loading:27 Uncaught (in promise) ChunkLoadError: Loading chunk 234 failed.
(error: https://microlink.io/58917679-07ddb7596531004249f9.js)
    at Object.f.f.j (jsonp chunk loading:27)
    at ensure chunk:6
    at Array.reduce (<anonymous>)
    at Function.f.e (ensure chunk:5)
    at Object.component---src-pages-index-js (async-requires.js:10)
    at t.loadComponent (loader.js:499)
    at loader.js:247

[vercel]

This pull request is being automatically deployed with Vercel (learn more).
To see the status of your deployment, click below or on the icon next to each commit.

🔍 Inspect: https://vercel.com/microlink/www/BNHmt92hRizHbPRxLFCM8paAgXGr
✅ Preview: https://www-git-next-microlink.vercel.app