remove duplicate

Author: fehguy

versions/3.0.md

@@ -1235,7 +1235,6 @@ Field Name | Type | Description
 <a name="headers"></a>Headers | `object` | A string map allowing additional information to be provided as headers, for example `Content-Disposition`.  Note `Content-Type` is described separately and will be ignored from this section.
 <a name="style"></a>Style | `string` | The content-type to use for encoding a specific property.  See (#parameterContent) for details on the `style` property
 <a name="explode"></a>explode | `boolean` | When this is true, property values of type `array` or `object` generate seperate parameters for each value of the array, or key-value-pair of the map.  For other types of properties this property has no effect. The default value is false.
-<a name="contentType"></a>Content-Type | `string` | **Required.** The content-type to use for encoding a specific property.
 
 This object can be extended with [Specification Extensions](#specificationExtensions).