remove test feature

Author: szybia

modules/ingest-common/src/yamlRestTest/resources/rest-api-spec/test/ingest/120_grok.yml

@@ -158,9 +158,6 @@ teardown:
 
 ---
 "Test simulate with invalid GROK pattern":
-  - requires:
-      cluster_features: ["simulate.ingest.400_on_failure"]
-      reason: "simulate.ingest returned 500 on failure before"
   - skip:
         features: headers
   - do:

rest-api-spec/src/yamlRestTest/resources/rest-api-spec/test/simulate.ingest/10_basic.yml

@@ -600,9 +600,6 @@ setup:
 
 ---
 "Test bad pipeline substitution":
-  - requires:
-      cluster_features: ["simulate.ingest.400_on_failure"]
-      reason: "simulate.ingest returned 500 on failure before"
   - skip:
       features: [headers, allowed_warnings]
 

server/src/main/java/org/elasticsearch/ingest/IngestFeatures.java

@@ -16,9 +16,6 @@
 import java.util.Set;
 
 public class IngestFeatures implements FeatureSpecification {
-
-    private static final NodeFeature SIMULATE_INGEST_400_ON_FAILURE = new NodeFeature("simulate.ingest.400_on_failure", true);
-
     @Override
     public Set<NodeFeature> getFeatures() {
         if (DataStream.LOGS_STREAM_FEATURE_FLAG) {
@@ -27,9 +24,4 @@ public Set<NodeFeature> getFeatures() {
             return Set.of();
         }
     }
-
-    @Override
-    public Set<NodeFeature> getTestFeatures() {
-        return Set.of(SIMULATE_INGEST_400_ON_FAILURE);
-    }
 }