Update README.md

Author: BelfordZ

README.md

@@ -2,10 +2,6 @@
 
 [json-schema.tools](https://json-schema.tools/) is a playground for manipulating JSON Schemas.
 
-Try it out:
-
-https://playground.json-schema.tools
-
 ### Contributing
 
 How to contribute, build and release are outlined in [CONTRIBUTING.md](CONTRIBUTING.md), [BUILDING.md](BUILDING.md) and [RELEASING.md](RELEASING.md) respectively. Commits in this repository follow the [CONVENTIONAL_COMMITS.md](CONVENTIONAL_COMMITS.md) specification.