Unsued imports. No functional changes.
@@ -5,8 +5,6 @@ import com.quorum.tessera.io.FilesDelegate;
import java.io.UncheckedIOException;
import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
-import java.net.URLEncoder;
-import java.nio.charset.StandardCharsets;
import java.nio.file.Path;
import java.util.Objects;
import java.util.regex.Pattern;
