minor merge fix

Author: jakelandis

x-pack/plugin/core/src/main/java/org/elasticsearch/license/LicenseService.java

@@ -37,7 +37,6 @@
 import org.elasticsearch.protocol.xpack.license.LicensesStatus;
 import org.elasticsearch.protocol.xpack.license.PutLicenseResponse;
 import org.elasticsearch.threadpool.ThreadPool;
-import org.elasticsearch.xpack.core.XPackPlugin;
 import org.elasticsearch.xpack.core.XPackSettings;
 
 import java.nio.charset.StandardCharsets;