Remove unused TypeReference import

Removed unused import for TypeReference.

Author: Hayden-J-C

spring-cloud-aws-s3/src/main/java/io/awspring/cloud/s3/Jackson2JsonS3ObjectConverter.java

@@ -20,7 +20,6 @@
 import org.springframework.core.ParametrizedTypeReference;
 import software.amazon.awssdk.core.sync.RequestBody;
 import tools.jackson.core.JacksonException;
-import tools.jackson.core.type.TypeReference;
 import tools.jackson.databind.json.JsonMapper;
 
 /**