Let Directory sync handle connection with Blaze

Remove the delayed start, because Directory sync will automatically keep trying to
connect to Blaze if not initially present.

bbmri/modules/directory-sync-compose.yml

@@ -13,6 +13,5 @@ services:
       DS_DIRECTORY_MOCK: ${DS_DIRECTORY_MOCK}
       DS_DIRECTORY_DEFAULT_COLLECTION_ID: ${DS_DIRECTORY_DEFAULT_COLLECTION_ID}
       DS_DIRECTORY_COUNTRY: ${DS_DIRECTORY_COUNTRY}
-    command: sh -c "sleep 90 && java -jar directory_sync_service.jar" # Wait for Blaze before start
     depends_on:
       - "blaze"