Undo import star statements

Signed-off-by: Chen Dai <daichen@amazon.com>

Author: dai-chen

integ-test/src/test/java/org/opensearch/sql/legacy/ExplainIT.java

@@ -7,7 +7,12 @@
 
 import static org.hamcrest.Matchers.containsString;
 import static org.hamcrest.Matchers.equalTo;
-import static org.opensearch.sql.legacy.TestsConstants.*;
+import static org.opensearch.sql.legacy.TestsConstants.TEST_INDEX_ACCOUNT;
+import static org.opensearch.sql.legacy.TestsConstants.TEST_INDEX_DOG;
+import static org.opensearch.sql.legacy.TestsConstants.TEST_INDEX_LOCATION;
+import static org.opensearch.sql.legacy.TestsConstants.TEST_INDEX_NESTED_TYPE;
+import static org.opensearch.sql.legacy.TestsConstants.TEST_INDEX_PEOPLE;
+import static org.opensearch.sql.legacy.TestsConstants.TEST_INDEX_PHRASE;
 
 import com.google.common.io.Files;
 import java.io.File;

legacy/src/main/java/org/opensearch/sql/legacy/query/OpenSearchActionFactory.java

@@ -27,7 +27,11 @@
 import java.util.List;
 import org.opensearch.search.SearchHit;
 import org.opensearch.search.SearchHits;
-import org.opensearch.sql.legacy.domain.*;
+import org.opensearch.sql.legacy.domain.ColumnTypeProvider;
+import org.opensearch.sql.legacy.domain.IndexStatement;
+import org.opensearch.sql.legacy.domain.JoinSelect;
+import org.opensearch.sql.legacy.domain.QueryActionRequest;
+import org.opensearch.sql.legacy.domain.Select;
 import org.opensearch.sql.legacy.esdomain.LocalClusterState;
 import org.opensearch.sql.legacy.exception.SQLFeatureDisabledException;
 import org.opensearch.sql.legacy.exception.SqlParseException;