Update readme

Author: keydunov

README.md

@@ -71,21 +71,7 @@ For a step-by-step guide on Docker, [see the docs](https://cube.dev/docs/getting
 - [Examples & Tutorials](https://cube.dev/docs/examples?ref=github-readme)
 - [Architecture](https://cube.dev/docs/cubejs-introduction?ref=github-readme#architecture)
 
-## Community
-
-If you have any questions or need help - [please join our Slack community](https://slack.cube.dev?ref=github-readme) of amazing developers and data engineers.
-
-You are also welcome to join our **monthly community calls** where we discuss community news, Cube Dev team's plans, backlogs, use cases, etc. If you miss the call, the recordings will also be available after the meeting.
-* When: Second Wednesday of each month at [9am Pacific Time](https://www.thetimezoneconverter.com/?t=09:00&tz=PT%20%28Pacific%20Time%29).
-* Meeting link: https://us02web.zoom.us/j/86717042169?pwd=VlBEd2VVK01DNDVVbU1EUXd5ajhsdz09
-* [Meeting page](https://cube.dev/community-call/).
-* Recordings will be posted on the [Community Call Playlist](https://www.youtube.com/playlist?list=PLtdXl_QTQjpb1dHZCM09qKTsgvgqjSvc9).
-
-### Our quarterly roadmap
-
-We publish our open source roadmap every quarter and discuss them during our [monthly community calls](https://cube.dev/community-call/). You can find our roadmap under [projects in our Cube.js repository](https://github.com/cube-js/cube/projects?query=is%3Aopen+sort%3Aupdated-desc).
-
-### Contributing
+## Contributing
 
 There are many ways you can contribute to Cube! Here are a few possibilities: