Update datasets/index.md

Co-authored-by: Josh Moore <josh@openmicroscopy.org>

Author: sanketverma1704

datasets/index.md

@@ -10,7 +10,6 @@ sidebar:
 <font size="4">
 Zarr has been <a href="https://zarr.dev/adopters/">adopted</a> by a variety of
 research groups, universities, organisations, and open-source communities.<br>
-
 Below is a list of a few examples of public datasets.<br><br>
 </font>