remove "abstract submission is open

Author: nlharris

content/page/bosc-2025.md

@@ -18,7 +18,6 @@ bosc: yes
   will take place July 21-22, 2025 in Liverpool, UK (as part of
   [ISMB/ECCB 2025](https://www.iscb.org/ismbeccb2025/home))**. BOSC
   covers all aspects of open source bioinformatics and open science.
-[Abstract submission is open!](/events/bosc-2025/submit/)
 
 The second day of BOSC 2025 will be a **[joint session](/2025/03/17/BOSC-BOKR-2025) with the newly-renamed
 [Bio-Ontologies and Knowledge Representation (BOKR)](https://www.bio-ontologies.org.uk/2025-meeting)**,