[FLINK-38820] Move ptf rule to rule folder

Author: lihaosky

…eamPhysicalProcessTableFunctionRule.java …eamPhysicalProcessTableFunctionRule.javaflink-table/flink-table-planner/src/main/java/org/apache/flink/table/planner/plan/nodes/physical/stream/StreamPhysicalProcessTableFunctionRule.java renamed to flink-table/flink-table-planner/src/main/java/org/apache/flink/table/planner/plan/rules/physical/stream/StreamPhysicalProcessTableFunctionRule.java flink-table/flink-table-planner/src/main/java/org/apache/flink/table/planner/plan/nodes/physical/stream/StreamPhysicalProcessTableFunctionRule.java renamed to flink-table/flink-table-planner/src/main/java/org/apache/flink/table/planner/plan/rules/physical/stream/StreamPhysicalProcessTableFunctionRule.java

@@ -16,14 +16,16 @@
  * limitations under the License.
  */
 
-package org.apache.flink.table.planner.plan.nodes.physical.stream;
+package org.apache.flink.table.planner.plan.rules.physical.stream;
 
 import org.apache.flink.table.functions.FunctionDefinition;
 import org.apache.flink.table.functions.FunctionKind;
 import org.apache.flink.table.planner.calcite.RexTableArgCall;
 import org.apache.flink.table.planner.functions.bridging.BridgingSqlFunction;
 import org.apache.flink.table.planner.plan.nodes.FlinkConventions;
 import org.apache.flink.table.planner.plan.nodes.logical.FlinkLogicalTableFunctionScan;
+import org.apache.flink.table.planner.plan.nodes.physical.stream.StreamPhysicalMLPredictTableFunctionRule;
+import org.apache.flink.table.planner.plan.nodes.physical.stream.StreamPhysicalProcessTableFunction;
 import org.apache.flink.table.planner.plan.trait.FlinkRelDistribution;
 import org.apache.flink.table.planner.utils.ShortcutUtils;
 

flink-table/flink-table-planner/src/main/scala/org/apache/flink/table/planner/plan/rules/FlinkStreamRuleSets.scala

@@ -18,7 +18,7 @@
 package org.apache.flink.table.planner.plan.rules
 
 import org.apache.flink.table.planner.plan.nodes.logical._
-import org.apache.flink.table.planner.plan.nodes.physical.stream.{StreamPhysicalMLPredictTableFunctionRule, StreamPhysicalProcessTableFunctionRule}
+import org.apache.flink.table.planner.plan.nodes.physical.stream.StreamPhysicalMLPredictTableFunctionRule
 import org.apache.flink.table.planner.plan.rules.logical.{JoinToMultiJoinRule, _}
 import org.apache.flink.table.planner.plan.rules.physical.FlinkExpandConversionRule
 import org.apache.flink.table.planner.plan.rules.physical.common.PhysicalVectorSearchTableFunctionRule