docs: remove blocks link from home page

site/index.md

@@ -84,7 +84,7 @@ For more information, read our [introduction article to Vega-Lite v2 on Medium](
 - Listen to a Data Stories episode about [Declarative Visualization with Vega-Lite and Altair](http://datastori.es/121-declarative-visualization-with-vega-lite-and-altair-with-dominik-moritz-jacob-vanderplas-kanit-ham-wongsuphasawat/)
 - [JSON schema](http://json-schema.org/) specification for [Vega-Lite](https://github.com/vega/schema) ([latest](https://vega.github.io/schema/vega-lite/v5.json))
 - Ask questions about Vega-Lite on [Stack Overflow](https://stackoverflow.com/tags/vega-lite) or [Slack](https://bit.ly/join-vega-slack-2022)
-- Fork our [Vega-Lite Block](https://bl.ocks.org/domoritz/455e1c7872c4b38a58b90df0c3d7b1b9), or [Observable Notebook](https://beta.observablehq.com/@domoritz/vega-lite-demo).
+- Fork our [Observable Notebook](https://beta.observablehq.com/@domoritz/vega-lite-demo).
 
 ## Users