remove excluded file that tripped up the .net core build

Author: Mpdreamz

src/Nest/CommonAbstractions/SerializationBehavior/JsonNetSerializer.cs

@@ -138,7 +138,9 @@ private JsonSerializerSettings CreateSettings(SerializationFormatting formatting
 				NullValueHandling = NullValueHandling.Ignore
 			};
 
+#pragma warning disable CS0618 // Type or member is obsolete
 			this.ModifyJsonSerializerSettings(settings);
+#pragma warning restore CS0618 // Type or member is obsolete
 
 			var contract = settings.ContractResolver as ElasticContractResolver;
 			if (contract == null) throw new Exception($"NEST needs an instance of {nameof(ElasticContractResolver)} registered on Json.NET's JsonSerializerSettings");

src/Tests/ClientConcepts/LowLevel/Connecting.doc.cs

@@ -297,7 +297,9 @@ public MyJsonNetSerializer(IConnectionSettingsValues settings) : base(settings)
 
 			public int CallToModify { get; set; } = 0;
 
+#pragma warning disable CS0672 // Member overrides obsolete member
 			protected override void ModifyJsonSerializerSettings(JsonSerializerSettings settings) => ++CallToModify; //<1> Override ModifyJsonSerializerSettings if you need access to `JsonSerializerSettings`
+#pragma warning restore CS0672 // Member overrides obsolete member
 
 			public int CallToContractConverter { get; set; } = 0;
 
@@ -319,7 +321,9 @@ public MyJsonNetSerializer(IConnectionSettingsValues settings) : base(settings)
 		public void ModifyJsonSerializerSettingsIsCalled()
 		{
 			var connectionPool = new SingleNodeConnectionPool(new Uri("http://localhost:9200"));
+#pragma warning disable CS0618 // Type or member is obsolete
 			var settings = new ConnectionSettings(connectionPool, new InMemoryConnection(), s => new MyJsonNetSerializer(s));
+#pragma warning restore CS0618 // Type or member is obsolete
 			var client = new ElasticClient(settings);
 			client.RootNodeInfo();
 			client.RootNodeInfo();

src/Tests/ClientConcepts/Serializer/FactorySerializerCallCountTests.cs

@@ -76,8 +76,10 @@ public static ConnectionSettings CreateSettings(
 			Func<ConnectionSettings, IElasticsearchSerializer> serializerFactory = null
 			)
 		{
-			createPool = createPool ?? (u => new SingleNodeConnectionPool(u));
-			var defaultSettings = DefaultSettings(new ConnectionSettings(createPool(CreateUri(port)), CreateConnection(forceInMemory: forceInMemory), serializerFactory));
+			createPool = createPool ?? (u => new SingleNodeConnectionPool(u));
+#pragma warning disable CS0618 // Type or member is obsolete
+			var defaultSettings = DefaultSettings(new ConnectionSettings(createPool(CreateUri(port)), CreateConnection(forceInMemory: forceInMemory), serializerFactory));
+#pragma warning restore CS0618 // Type or member is obsolete
 			var settings = modifySettings != null ? modifySettings(defaultSettings) : defaultSettings;
 			return settings;
 		}