Remove unnecessary interface

Author: MaggieKimani1

src/Microsoft.OpenApi/Interfaces/IEffective.cs

@@ -15,7 +15,7 @@ namespace Microsoft.OpenApi.Models
     /// <summary>
     /// Parameter Object.
     /// </summary>
-    public class OpenApiParameter : IOpenApiReferenceable, IEffective<OpenApiParameter>, IOpenApiExtensible
+    public class OpenApiParameter : IOpenApiReferenceable, IOpenApiExtensible
     {
         private bool? _explode;
         private ParameterStyle? _style;
@@ -203,23 +203,6 @@ private void SerializeInternal(IOpenApiWriter writer, Action<IOpenApiWriter, IOp
             action(writer, target);
         }
 
-        /// <summary>
-        /// Returns an effective OpenApiParameter object based on the presence of a $ref
-        /// </summary>
-        /// <param name="doc">The host OpenApiDocument that contains the reference.</param>
-        /// <returns>OpenApiParameter</returns>
-        public OpenApiParameter GetEffective(OpenApiDocument doc)
-        {
-            if (Reference != null)
-            {
-                return doc.ResolveReferenceTo<OpenApiParameter>(Reference);
-            }
-            else
-            {
-                return this;
-            }
-        }
-
         /// <summary>
         /// Serialize to OpenAPI V3 document without using reference.
         /// </summary>

src/Microsoft.OpenApi/Models/OpenApiParameter.cs

@@ -12,7 +12,7 @@ namespace Microsoft.OpenApi.Models
     /// <summary>
     /// Response object.
     /// </summary>
-    public class OpenApiResponse : IOpenApiReferenceable, IOpenApiExtensible, IEffective<OpenApiResponse>
+    public class OpenApiResponse : IOpenApiReferenceable, IOpenApiExtensible
     {
         /// <summary>
         /// REQUIRED. A short description of the response.
@@ -98,23 +98,6 @@ private void SerializeInternal(IOpenApiWriter writer, Action<IOpenApiWriter, IOp
             action(writer, target);
         }
 
-        /// <summary>
-        /// Returns an effective OpenApiRequestBody object based on the presence of a $ref
-        /// </summary>
-        /// <param name="doc">The host OpenApiDocument that contains the reference.</param>
-        /// <returns>OpenApiResponse</returns>
-        public OpenApiResponse GetEffective(OpenApiDocument doc)
-        {
-            if (Reference != null)
-            {
-                return doc.ResolveReferenceTo<OpenApiResponse>(Reference);
-            }
-            else
-            {
-                return this;
-            }
-        }
-
         /// <summary>
         /// Serialize to OpenAPI V3 document without using reference.
         /// </summary>

src/Microsoft.OpenApi/Models/OpenApiResponse.cs

@@ -78,7 +78,7 @@ public async Task LoadDocumentWithExternalReferenceShouldLoadBothDocumentsIntoWo
             var referencedParameter = result.OpenApiDocument
                                         .Paths["/todos"]
                                         .Operations[OperationType.Get]
-                                        .Parameters.Select(p => p.GetEffective(result.OpenApiDocument))
+                                        .Parameters.Select(p => p)
                                         .FirstOrDefault(p => p.Name == "filter");
 
             Assert.Equal(SchemaValueType.String, referencedParameter.Schema.GetJsonType());