chore: update

Author: sloesekann

backend/src/main/java/ch/xxx/aidoclibchat/adapter/config/ApplicationConfig.java

@@ -20,7 +20,6 @@
 import org.springframework.scheduling.annotation.EnableAsync;
 import org.springframework.web.client.RestClient;
 
-import com.fasterxml.jackson.databind.ObjectMapper;
 import tools.jackson.databind.json.JsonMapper;