Update science-processing-service-apache-airflow-integration.md

Author: LucaCinquini

architecture/architectural-decision-records/science-processing-service-apache-airflow-integration.md

@@ -44,8 +44,6 @@ The development work of offering Airflow as part of the Unity infrastructure has
 
 ### References
 
-(Optional) Any other references that make sense. Documentation links, other ADRs, etc.
+* [Apache Airflow](https://airflow.apache.org/)
 
-[Apache Airflow](https://airflow.apache.org/")
-
-[SPS presentation to Unity (private)](https://docs.google.com/presentation/d/1ibGSqWkvZXVBxvkm08ZHAk4bjcs03oZYgFmV1DPPxWU/edit#slide=id.g291c340cd4b_0_0")
+* [SPS presentation to Unity (private)](https://docs.google.com/presentation/d/1ibGSqWkvZXVBxvkm08ZHAk4bjcs03oZYgFmV1DPPxWU/edit#slide=id.g291c340cd4b_0_0)