remove obsolete types (graphql-dotnet#1033)

Author: SimonCropp

src/GraphQL/Execution/DocumentExecuter.cs

@@ -16,17 +16,6 @@ namespace GraphQL
 {
     public interface IDocumentExecuter
     {
-        [Obsolete("This method will be removed in a future version.  Use ExecutionOptions parameter.")]
-        Task<ExecutionResult> ExecuteAsync(
-            ISchema schema,
-            object root,
-            string query,
-            string operationName,
-            Inputs inputs = null,
-            object userContext = null,
-            CancellationToken cancellationToken = default,
-            IEnumerable<IValidationRule> rules = null);
-
         Task<ExecutionResult> ExecuteAsync(ExecutionOptions options);
         Task<ExecutionResult> ExecuteAsync(Action<ExecutionOptions> configure);
     }

src/GraphQL/Http/DocumentWriter.cs

@@ -10,13 +10,7 @@ namespace GraphQL.Http
     public interface IDocumentWriter
     {
         Task WriteAsync<T>(Stream stream, T value);
-
-        [Obsolete("This method is obsolete and will be removed in the next major version.  Use WriteAsync<T>(Stream, T) instead.")]
-        Task<IByteResult> WriteAsync<T>(T value);
-
-        [Obsolete("This method is obsolete and will be removed in the next major version.  Use WriteAsync<T>(Stream, T) instead.")]
-        string Write(object value);
-    }
+    }   
 
     public class DocumentWriter : IDocumentWriter
     {
@@ -59,23 +53,6 @@ public async Task WriteAsync<T>(Stream stream, T value)
             }
         }
 
-        public async Task<IByteResult> WriteAsync<T>(T value)
-        {
-            var pooledDocumentResult = new PooledByteResult(_pool, _maxArrayLength);
-            var stream = pooledDocumentResult.Stream;
-            try
-            {
-                await WriteAsync(stream, value).ConfigureAwait(false);
-                pooledDocumentResult.InitResponseFromCurrentStreamPosition();
-                return pooledDocumentResult;
-            }
-            catch (Exception)
-            {
-                pooledDocumentResult.Dispose();
-                throw;
-            }
-        }
-
         public string Write(object value)
         {
             if (value == null) throw new ArgumentNullException(nameof(value));

src/GraphQL/Http/PooledByteResult.cs

@@ -72,7 +72,6 @@ public Schema(Func<Type, IGraphType> resolveType)
         public Schema(IDependencyResolver dependencyResolver)
         {
             DependencyResolver = dependencyResolver;
-            ResolveType = type => dependencyResolver.Resolve(type) as IGraphType;
 
             _lookup = new Lazy<GraphTypesLookup>(CreateTypesLookup);
             _additionalTypes = new List<Type>();
@@ -114,11 +113,6 @@ public void Initialize()
 
         public IObjectGraphType Subscription { get; set; }
 
-        [Obsolete(
-            "The ResolveType property has been deprecated in favor of using the DependencyResolver property.  " +
-            "This property will be removed in a future version.")]
-        public Func<Type, IGraphType> ResolveType { get; set; }
-
         public IDependencyResolver DependencyResolver { get; set; }
 
         public IEnumerable<DirectiveGraphType> Directives
@@ -209,7 +203,6 @@ public IGraphType FindType(string name)
 
         public void Dispose()
         {
-            ResolveType = null;
             DependencyResolver = null;
             Query = null;
             Mutation = null;