Remove dead setting

Author: jasontedor

server/src/main/java/org/elasticsearch/index/IndexModule.java

@@ -87,9 +87,6 @@ public final class IndexModule {
     public static final Setting<Boolean> NODE_STORE_ALLOW_MMAPFS =
             Setting.boolSetting("node.store.allow_mmapfs", true, Property.NodeScope);
 
-    public static final Setting<List<String>> NODE_ALLOWED_INDEX_STORE_TYPES_SETTING =
-            Setting.listSetting("node.allowed_index_store_types", Collections.emptyList(), Function.identity(), Property.NodeScope);
-
     public static final Setting<String> INDEX_STORE_TYPE_SETTING =
             new Setting<>("index.store.type", "", Function.identity(), Property.IndexScope, Property.NodeScope);