don't register unserialiazable

Author: jan-elastic

x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/plan/PlanWritables.java

@@ -9,7 +9,6 @@
 
 import org.elasticsearch.common.io.stream.NamedWriteableRegistry;
 import org.elasticsearch.xpack.esql.plan.logical.Aggregate;
-import org.elasticsearch.xpack.esql.plan.logical.ChangePoint;
 import org.elasticsearch.xpack.esql.plan.logical.Dissect;
 import org.elasticsearch.xpack.esql.plan.logical.Enrich;
 import org.elasticsearch.xpack.esql.plan.logical.EsRelation;
@@ -28,7 +27,6 @@
 import org.elasticsearch.xpack.esql.plan.logical.local.EsqlProject;
 import org.elasticsearch.xpack.esql.plan.logical.local.LocalRelation;
 import org.elasticsearch.xpack.esql.plan.physical.AggregateExec;
-import org.elasticsearch.xpack.esql.plan.physical.ChangePointExec;
 import org.elasticsearch.xpack.esql.plan.physical.DissectExec;
 import org.elasticsearch.xpack.esql.plan.physical.EnrichExec;
 import org.elasticsearch.xpack.esql.plan.physical.EsQueryExec;
@@ -66,7 +64,6 @@ public static List<NamedWriteableRegistry.Entry> getNamedWriteables() {
     public static List<NamedWriteableRegistry.Entry> logical() {
         return List.of(
             Aggregate.ENTRY,
-            ChangePoint.ENTRY,
             Dissect.ENTRY,
             Enrich.ENTRY,
             EsRelation.ENTRY,
@@ -90,7 +87,6 @@ public static List<NamedWriteableRegistry.Entry> logical() {
     public static List<NamedWriteableRegistry.Entry> physical() {
         return List.of(
             AggregateExec.ENTRY,
-            ChangePointExec.ENTRY,
             DissectExec.ENTRY,
             EnrichExec.ENTRY,
             EsQueryExec.ENTRY,