Merge #155718

155718: README: remove link to outdated video r=alyshanjahani-crl a=aerfrei

Remove link to outdated video. It is no longer publicly visible.

Release note: None
Fixes: #155692
Epic: none

Co-authored-by: Aerin Freilich <aerin.freilich@cockroachlabs.com>

Author: craig[bot]

README.md

@@ -28,13 +28,9 @@ minimal latency disruption and no manual intervention; supports
 **strongly-consistent** ACID transactions; and provides a familiar
 **SQL** API for structuring, manipulating, and querying data.
 
-For more details, see our [FAQ](https://cockroachlabs.com/docs/stable/frequently-asked-questions.html) or [architecture document](
+For more details, see our [product overview](https://www.cockroachlabs.com/product/overview/), [FAQ](https://cockroachlabs.com/docs/stable/frequently-asked-questions.html) or [architecture document](
 https://www.cockroachlabs.com/docs/stable/architecture/overview.html).
 
-<p align="center">
-  <a href='https://www.youtube.com/watch?v=VgXiMcbGwzQ'> <img src='docs/media/explainer-video-preview.png' width='70%'> </a>
-</p>
-
 ## Docs
 
 For guidance on installation, development, deployment, and administration, see our [User Documentation](https://cockroachlabs.com/docs/stable/).