Remove remaining logic and tests for subobjects:auto (elastic#137428)

* Remove remaining logic and tests for subobjects:auto

* skip compat tests

* skip compat tests

(cherry picked from commit 8c110cb)

# Conflicts:
#	qa/ccs-common-rest/src/yamlRestTest/java/org/elasticsearch/test/rest/yaml/CcsCommonYamlTestSuiteIT.java
#	qa/ccs-common-rest/src/yamlRestTest/java/org/elasticsearch/test/rest/yaml/RcsCcsCommonYamlTestSuiteIT.java
#	server/src/main/java/org/elasticsearch/index/mapper/ObjectMapper.java
#	server/src/test/java/org/elasticsearch/index/mapper/ObjectMapperTests.java
#	server/src/test/java/org/elasticsearch/index/mapper/RootObjectMapperTests.java

Author: kkrik-es

qa/ccs-common-rest/src/yamlRestTest/java/org/elasticsearch/test/rest/yaml/CcsCommonYamlTestSuiteIT.java

@@ -60,6 +60,7 @@
 
 import static java.util.Collections.unmodifiableList;
 
+
 /**
  * This runner executes test suits against two clusters (a "write" (the remote) cluster and a
  * "search" cluster) connected via CCS.
@@ -85,7 +86,6 @@ public class CcsCommonYamlTestSuiteIT extends ESClientYamlSuiteTestCase {
     private static final AtomicReference<TestFeatureService> combinedTestFeatureServiceRef = new AtomicReference<>();
     private static final AtomicReference<Set<String>> combinedOsSetRef = new AtomicReference<>();
     private static final AtomicReference<Set<String>> combinedNodeVersionsRef = new AtomicReference<>();
-
     private static LocalClusterConfigProvider commonClusterConfig = cluster -> cluster.module("x-pack-async-search")
         .module("aggregations")
         .module("analysis-common")
@@ -98,9 +98,7 @@ public class CcsCommonYamlTestSuiteIT extends ESClientYamlSuiteTestCase {
         // geohex_grid requires gold license
         .setting("xpack.license.self_generated.type", "trial")
         .feature(FeatureFlag.TIME_SERIES_MODE)
-        .feature(FeatureFlag.SUB_OBJECTS_AUTO_ENABLED)
         .feature(FeatureFlag.IVF_FORMAT);
-
     private static ElasticsearchCluster remoteCluster = ElasticsearchCluster.local()
         .name(REMOTE_CLUSTER_NAME)
         .nodes(2)

qa/ccs-common-rest/src/yamlRestTest/java/org/elasticsearch/test/rest/yaml/RcsCcsCommonYamlTestSuiteIT.java

@@ -91,7 +91,6 @@ public class RcsCcsCommonYamlTestSuiteIT extends ESClientYamlSuiteTestCase {
         .setting("xpack.security.remote_cluster_server.ssl.enabled", "false")
         .setting("xpack.security.remote_cluster_client.ssl.enabled", "false")
         .feature(FeatureFlag.TIME_SERIES_MODE)
-        .feature(FeatureFlag.SUB_OBJECTS_AUTO_ENABLED)
         .feature(FeatureFlag.IVF_FORMAT)
         .user("test_admin", "x-pack-test-password");
 

qa/mixed-cluster/build.gradle

@@ -89,7 +89,6 @@ buildParams.bwcVersions.withWireCompatible { bwcVersion, baseName ->
         setting 'health.master_history.no_master_transitions_threshold', '10'
       }
       requiresFeature 'es.index_mode_feature_flag_registered', Version.fromString("8.0.0")
-      requiresFeature 'sub_objects_auto', Version.fromString("8.16.0")
       if (bwcVersion.before(Version.fromString("8.18.0"))) {
         jvmArgs '-da:org.elasticsearch.index.mapper.DocumentMapper'
         jvmArgs '-da:org.elasticsearch.index.mapper.MapperService'

qa/smoke-test-multinode/src/yamlRestTest/java/org/elasticsearch/smoketest/SmokeTestMultiNodeClientYamlTestSuiteIT.java

@@ -35,7 +35,6 @@ public class SmokeTestMultiNodeClientYamlTestSuiteIT extends ESClientYamlSuiteTe
         // The first node does not have the ingest role so we're sure ingest requests are forwarded:
         .node(0, n -> n.setting("node.roles", "[master,data,ml,remote_cluster_client,transform]"))
         .feature(FeatureFlag.TIME_SERIES_MODE)
-        .feature(FeatureFlag.SUB_OBJECTS_AUTO_ENABLED)
         .feature(FeatureFlag.DOC_VALUES_SKIPPER)
         .feature(FeatureFlag.USE_LUCENE101_POSTINGS_FORMAT)
         .feature(FeatureFlag.IVF_FORMAT)

rest-api-spec/build.gradle

@@ -61,6 +61,7 @@ tasks.named("yamlRestCompatTestTransform").configure ({ task ->
   task.replaceValueInMatch("profile.shards.0.dfs.knn.0.collector.0.name", "TopScoreDocCollector", "dfs knn vector profiling with vector_operations_count")
   task.skipTest("cat.aliases/10_basic/Deprecated local parameter", "CAT APIs not covered by compatibility policy")
   task.skipTest("cat.shards/10_basic/Help", "sync_id is removed in 9.0")
+  task.skipTest("search/330_fetch_fields/Test with subobjects: auto", "subobjects auto removed")
   task.skipTest("search/500_date_range/from, to, include_lower, include_upper deprecated", "deprecated parameters are removed in 9.0")
   task.skipTest("search.highlight/30_max_analyzed_offset/Plain highlighter with max_analyzed_offset < 0 should FAIL", "semantics of test has changed")
   task.skipTest("search.vectors/70_dense_vector_telemetry/Field mapping stats with field details", "default dense vector field mapping has changed")
@@ -72,9 +73,15 @@ tasks.named("yamlRestCompatTestTransform").configure ({ task ->
   task.skipTest("range/20_synthetic_source/Date range Rounding Fixes", "_source.mode mapping attribute is no-op since 9.0.0")
   task.skipTest("index/92_metrics_auto_subobjects/Metrics object indexing with synthetic source", "_source.mode mapping attribute is no-op since 9.0.0")
   task.skipTest("index/92_metrics_auto_subobjects/Root without subobjects with synthetic source", "_source.mode mapping attribute is no-op since 9.0.0")
+  task.skipTest("index/92_metrics_auto_subobjects/Root with metrics", "subobjects auto removed")
+  task.skipTest("index/92_metrics_auto_subobjects/Metrics object indexing", "subobjects auto removed")
   task.skipTest("index/91_metrics_no_subobjects/Metrics object indexing with synthetic source", "_source.mode mapping attribute is no-op since 9.0.0")
   task.skipTest("index/91_metrics_no_subobjects/Root without subobjects with synthetic source", "_source.mode mapping attribute is no-op since 9.0.0")
+  task.skipTest("indices.create/20_synthetic_source/subobjects auto", "subobjects auto removed")
   task.skipTest("indices.create/20_synthetic_source/synthetic_source with copy_to inside nested object", "temporary until backported")
+  task.skipTest("indices.create/20_synthetic_source/synthetic_source with copy_to pointing to ambiguous field and subobjects auto", "subobjects auto removed")
+  task.skipTest("indices.put_index_template/15_composition/Composable index templates that include subobjects: auto on arbitrary field", "subobjects auto removed")
+  task.skipTest("indices.put_index_template/15_composition/Composable index templates that include subobjects: auto at root", "subobjects auto removed")
   task.skipTest(
     "cluster.desired_nodes/10_basic/Test delete desired nodes with node_version generates a warning",
     "node_version warning is removed in 9.0"

rest-api-spec/src/yamlRestTest/java/org/elasticsearch/test/rest/ClientYamlTestSuiteIT.java

@@ -35,7 +35,6 @@ public class ClientYamlTestSuiteIT extends ESClientYamlSuiteTestCase {
         .module("health-shards-availability")
         .module("data-streams")
         .feature(FeatureFlag.TIME_SERIES_MODE)
-        .feature(FeatureFlag.SUB_OBJECTS_AUTO_ENABLED)
         .feature(FeatureFlag.DOC_VALUES_SKIPPER)
         .feature(FeatureFlag.USE_LUCENE101_POSTINGS_FORMAT)
         .feature(FeatureFlag.IVF_FORMAT)