Remove Spring Batch Notion

Author: scordio

_data/projects.yml

@@ -52,12 +52,3 @@
         - EN
         - IT
   contributions:
-- name: Spring Batch Notion (Java)
-  url: https://github.com/spring-projects/spring-batch-extensions/tree/main/spring-batch-notion
-  description: A Spring Batch extension module for Notion.
-  leads:
-    - name: Stefano Cordio
-      profile_url: https://github.com/scordio
-      spoken_languages:
-        - EN
-        - IT