Updated the license to CC-BY-4.0 for cartostore.yaml

Author: hyunminkang

datasets/cartostore.yaml

@@ -12,7 +12,7 @@ Tags:
   - bioinformatics
   - life sciences
 License: |
-  "[CC BY-NC-SA 4.0](https://creativecommons.org/licenses/by-nc-sa/4.0/)"
+  "[CC BY 4.0](https://creativecommons.org/licenses/by/4.0/)"
 Citation: |
   CartoStore by Hyun Min Kang's lab at the University of Michigan School of Public Health.
   Provided by Kang lab and accessed [DAY MONTH YEAR].