fix: remove gzip and brotli size badges from README.md

Author: manu4543

README.md

@@ -2,8 +2,6 @@
 
 # ImageKit.io JavaScript SDK
 
-![gzip size](https://img.badgesize.io/https://unpkg.com/@imagekit/javascript/dist/imagekit.min.js?compression=gzip&label=gzip)
-![brotli size](https://img.badgesize.io/https://unpkg.com/@imagekit/javascript/dist/imagekit.min.js?compression=brotli&label=brotli)
 ![Node CI](https://github.com/imagekit-developer/imagekit-javascript/workflows/Node%20CI/badge.svg)
 [![npm version](https://img.shields.io/npm/v/@imagekit/javascript)](https://www.npmjs.com/package/@imagekit/javascript) 
 [![codecov](https://codecov.io/gh/imagekit-developer/imagekit-javascript/branch/master/graph/badge.svg)](https://codecov.io/gh/imagekit-developer/imagekit-javascript)