Rename delimited_payload_filter to delimited_payload. Closes #3249 (#3271)

Author: Stuart Cam

src/Nest/Analysis/TokenFilters/DelimitedPayload/DelimitedPayloadTokenFilter.cs

@@ -24,7 +24,7 @@ public interface IDelimitedPayloadTokenFilter : ITokenFilter
 	/// <inheritdoc/>
 	public class DelimitedPayloadTokenFilter : TokenFilterBase, IDelimitedPayloadTokenFilter
 	{
-		public DelimitedPayloadTokenFilter() : base("delimited_payload_filter") { }
+		public DelimitedPayloadTokenFilter() : base("delimited_payload") { }
 
 		/// <inheritdoc/>
 		public char? Delimiter { get; set; }
@@ -38,7 +38,7 @@ public DelimitedPayloadTokenFilter() : base("delimited_payload_filter") { }
 	public class DelimitedPayloadTokenFilterDescriptor
 		: TokenFilterDescriptorBase<DelimitedPayloadTokenFilterDescriptor, IDelimitedPayloadTokenFilter>, IDelimitedPayloadTokenFilter
 	{
-		protected override string Type => "delimited_payload_filter";
+		protected override string Type => "delimited_payload";
 
 		char? IDelimitedPayloadTokenFilter.Delimiter { get; set; }
 		DelimitedPayloadEncoding? IDelimitedPayloadTokenFilter.Encoding { get; set; }

src/Nest/Analysis/TokenFilters/TokenFilterJsonConverter.cs

@@ -22,7 +22,7 @@ public override object ReadJson(JsonReader reader, Type objectType, object exist
 			{
 				case "asciifolding": return o.ToObject<AsciiFoldingTokenFilter>(ElasticContractResolver.Empty);
 				case "common_grams": return o.ToObject<CommonGramsTokenFilter>(ElasticContractResolver.Empty);
-				case "delimited_payload_filter": return o.ToObject<DelimitedPayloadTokenFilter>(ElasticContractResolver.Empty);
+				case "delimited_payload": return o.ToObject<DelimitedPayloadTokenFilter>(ElasticContractResolver.Empty);
 				case "dictionary_decompounder": return o.ToObject<DictionaryDecompounderTokenFilter>(ElasticContractResolver.Empty);
 				case "edge_ngram": return o.ToObject<EdgeNGramTokenFilter>(ElasticContractResolver.Empty);
 				case "elision": return o.ToObject<ElisionTokenFilter>(ElasticContractResolver.Empty);

src/Tests/Analysis/TokenFilters/TokenFilterUsageTests.cs

@@ -29,7 +29,7 @@ public class TokenFilterUsageTests : PromiseUsageTestBase<IIndexSettings, IndexS
 					},
 					mydp = new
 					{
-						type = "delimited_payload_filter",
+						type = "delimited_payload",
 						delimiter = "-",
 						encoding = "identity"
 					},