[CI] Auto commit changes from spotless

Author: elasticsearchmachine

x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/session/FieldNameUtils.java

@@ -8,7 +8,6 @@
 package org.elasticsearch.xpack.esql.session;
 
 import org.elasticsearch.common.regex.Regex;
-import org.elasticsearch.index.IndexMode;
 import org.elasticsearch.xpack.esql.analysis.EnrichResolution;
 import org.elasticsearch.xpack.esql.core.expression.Alias;
 import org.elasticsearch.xpack.esql.core.expression.Attribute;