[FLINK-38576][table] Fix format spotless

Author: gustavodemorais

flink-table/flink-table-planner/src/main/java/org/apache/flink/table/planner/plan/rules/logical/JoinToMultiJoinRule.java

@@ -20,8 +20,6 @@
 
 import org.apache.flink.table.api.TableException;
 import org.apache.flink.table.planner.calcite.FlinkTypeFactory;
-import org.apache.flink.table.planner.hint.FlinkHints;
-import org.apache.flink.table.planner.hint.StateTtlHint;
 import org.apache.flink.table.planner.plan.nodes.logical.FlinkLogicalJoin;
 import org.apache.flink.table.planner.plan.nodes.physical.stream.StreamPhysicalMultiJoin;
 import org.apache.flink.table.planner.plan.utils.IntervalJoinUtil;
@@ -40,10 +38,6 @@
 import org.apache.calcite.rel.core.Join;
 import org.apache.calcite.rel.core.JoinInfo;
 import org.apache.calcite.rel.core.JoinRelType;
-import org.apache.calcite.rel.core.TableFunctionScan;
-import org.apache.calcite.rel.core.TableScan;
-import org.apache.calcite.rel.core.Values;
-import org.apache.calcite.rel.hint.RelHint;
 import org.apache.calcite.rel.logical.LogicalJoin;
 import org.apache.calcite.rel.logical.LogicalSnapshot;
 import org.apache.calcite.rel.rules.CoreRules;
@@ -67,12 +61,9 @@
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.Objects;
-import java.util.Set;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
-import static org.apache.flink.table.planner.hint.StateTtlHint.STATE_TTL;
 import static org.apache.flink.table.planner.plan.utils.MultiJoinUtil.createJoinAttributeMap;
 
 /**