Remove unused imports - follow up to removal of test in issue 32855

Author: markharwood

client/rest-high-level/src/test/java/org/elasticsearch/client/SearchIT.java

@@ -59,9 +59,6 @@
 import org.elasticsearch.search.aggregations.BucketOrder;
 import org.elasticsearch.search.aggregations.bucket.range.Range;
 import org.elasticsearch.search.aggregations.bucket.range.RangeAggregationBuilder;
-import org.elasticsearch.search.aggregations.bucket.significant.SignificantTerms;
-import org.elasticsearch.search.aggregations.bucket.significant.SignificantTermsAggregationBuilder;
-import org.elasticsearch.search.aggregations.bucket.significant.heuristics.PercentageScore;
 import org.elasticsearch.search.aggregations.bucket.terms.Terms;
 import org.elasticsearch.search.aggregations.bucket.terms.TermsAggregationBuilder;
 import org.elasticsearch.search.aggregations.matrix.stats.MatrixStats;