dont use override_date

_data/hakken.yml

@@ -2,9 +2,6 @@ dates:
   - name: Winter 2025
     id: winter-2025
     theme: Winter Hakken
-    override_date:
-      start: '2025-01-31'
-      end: '2025-02-01'
     location:
       en: Cologne @ [MiOM space](https://miom.space)
       de: Köln @ [MiOM Kreativraum](https://miom.space)
@@ -12,9 +9,6 @@ dates:
   - name: Spring 2025
     id: spring-2025
     theme: Spring Hakken
-    override_date:
-      start: '2025-04-25'
-      end: '2025-04-27'
     location:
       en: Cologne @ [MiOM space](https://miom.space)
       de: Köln @ [MiOM Kreativraum](https://miom.space)
@@ -22,9 +16,6 @@ dates:
   - name: Summer 2025
     id: summer-2025
     theme: Summer Hakken
-    override_date:
-      start: '2025-07-25'
-      end: '2025-07-27'
     location:
       en: Cologne @ [MiOM space](https://miom.space)
       de: Köln @ [MiOM Kreativraum](https://miom.space)
@@ -32,9 +23,6 @@ dates:
   - name: Autumn 2025
     id: autumn-2025
     theme: Autumn Hakken
-    override_date:
-      start: '2025-10-31'
-      end: '2025-11-02'
     location:
       en: Cologne @ [MiOM space](https://miom.space)
       de: Köln @ [MiOM Kreativraum](https://miom.space)