Revert "Update Readme for version 2 - do it just before releasing it (#648)" (#773)

This reverts commit 1d516bb.

Author: wipfli

README.md

@@ -15,17 +15,6 @@ Use
   }
 ```
 
-If you are OK with changes that integrate non-backward compatible features, ideally install `maplibre-gl` version 2:
-
-```diff
-  "dependencies": {
--    "mapbox-gl": "^1.13.0"
-+    "maplibre-gl": ">=2.0.0"
-  }
-```
-
-And replace ```mapboxgl``` with ```maplibregl``` in your JavaScript and optionally in your HTML/CSS code:
-```diff
 if it is important to you that the behaviour is similar to `mapbox-gl` version 1.x.
 
 If you are OK with changes that integrate non-backward compatible features, install `maplibre-gl` version 2: