OZG-6891 Cleanup

src/test/java/de/ozgcloud/xta/client/extension/XtaMessageExampleLoader.java

@@ -17,7 +17,6 @@ import java.util.function.Supplier;
 import java.util.regex.Pattern;
 
 import jakarta.activation.DataHandler;
-import jakarta.activation.FileDataSource;
 import jakarta.annotation.Nullable;
 import jakarta.mail.util.ByteArrayDataSource;
 import jakarta.validation.constraints.NotBlank;