Merge pull request #344 from ssilverman/add-snow

Update Snow validator notes

Author: Relequestual

_data/validator-libraries-modern.yml

@@ -92,7 +92,7 @@
   implementations:
     - name: Snow
       url: https://github.com/ssilverman/snowy-json
-      notes: Uses Maven for the project, and Gson and Guava under the hood.
+      notes: Uses Maven for the project and Gson under the hood.
       date-draft: [2019-09]
       draft: [7, 6]
       license: GNU Affero General Public License v3.0