[8.19] Remove remaining logic and tests for subobjects:auto (#137428)

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

@@ -89,8 +89,7 @@ public class CcsCommonYamlTestSuiteIT extends ESClientYamlSuiteTestCase {
         .setting("xpack.security.enabled", "false")
         // 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.TIME_SERIES_MODE);
 
     private static ElasticsearchCluster remoteCluster = ElasticsearchCluster.local()
         .name(REMOTE_CLUSTER_NAME)

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)
         .user("test_admin", "x-pack-test-password");
 
     private static ElasticsearchCluster fulfillingCluster = ElasticsearchCluster.local()

qa/mixed-cluster/build.gradle

@@ -83,7 +83,6 @@ 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)
         .build();
 
     public SmokeTestMultiNodeClientYamlTestSuiteIT(@Name("yaml") ClientYamlTestCandidate testCandidate) {

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)
         .build();
 
     public ClientYamlTestSuiteIT(@Name("yaml") ClientYamlTestCandidate testCandidate) {