oh precommit, ran build on another branch, fixed it

Author: Yogesh Gaikwad

x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/security/authz/privilege/ConfigurableClusterPrivileges.java

@@ -6,8 +6,6 @@
 
 package org.elasticsearch.xpack.core.security.authz.privilege;
 
-import org.apache.lucene.util.automaton.Automaton;
-import org.apache.lucene.util.automaton.Operations;
 import org.elasticsearch.common.ParseField;
 import org.elasticsearch.common.Strings;
 import org.elasticsearch.common.io.stream.StreamInput;