Updated Creating custom input and output bindings (markdown)

Creating-custom-input-and-output-bindings.md

@@ -1,4 +1,4 @@
-This wiki describes how to define a custom binding extension for the WebJobs SDK. These same extensions can be used, without modification, in Azure Functions. For convenience, this article mentions "WebJobs extensions," but these are also "Azure Functions extensions."
+ wiki describes how to define a custom binding extension for the WebJobs SDK. These same extensions can be used, without modification, in Azure Functions. For convenience, this article mentions "WebJobs extensions," but these are also "Azure Functions extensions."
 
 Bindings must be authored in .NET, but can be consumed from any supported language. For example, as long as there is a `JObject` or `JArray` conversion, a custom binding can be used from a JavaScript Azure Function.
 
@@ -8,8 +8,6 @@ For more information on how the binding process works, see the [wiki in the WebJ
 
 Binding extensions are meant to be authored in a declarative fashion, with the framework doing most of the heavy lifting. This is accomplished through binding *rules* and *converters*.
 
-Note that there is some [older documentation about the rule system]( https://github.com/Azure/azure-webjobs-sdk-extensions/wiki/Rule-based-Binding-Providers), but it is not currently up to date.
-
 ## Overview
 
 To author an extension, you must perform the following tasks: