fix: remove explicit reference to nva endpoint

Author: taheeraahmed

src/datasync/nva.py

@@ -18,7 +18,7 @@
 
 NVA_ACCESS_KEY = env("NVA_ACCESS_KEY", default="")
 NVA_SECRET_KEY = env("NVA_SECRET_KEY", default="")
-NVA_ENDPOINT = env("NVA_ENDPOINT", default="https://s3-int-1.nina.no")
+NVA_ENDPOINT = env("NVA_ENDPOINT", default="")
 NVA_BUCKET = env("NVA_BUCKET", default="dms")
 
 NVA_PREFIX = env("NVA_PREFIX", default="nva")