Remove 'User-based OAuth isn't supported' in authenticationType

Author: Clare-Zheng82

articles/data-factory/connector-http.md

@@ -91,7 +91,7 @@ The following properties are supported for the HTTP linked service:
 | type | The **type** property must be set to **HttpServer**. | Yes |
 | url | The base URL to the web server. | Yes |
 | enableServerCertificateValidation | Specify whether to enable server TLS/SSL certificate validation when you connect to an HTTP endpoint. If your HTTPS server uses a self-signed certificate, set this property to **false**. | No<br /> (the default is **true**) |
-| authenticationType | Specifies the authentication type. Allowed values are **Anonymous**, **Basic**, **Digest**, **Windows**, and **ClientCertificate**. User-based OAuth isn't supported. You can additionally configure authentication headers in `authHeader` property. See the sections that follow this table for more properties and JSON samples for these authentication types. | Yes |
+| authenticationType | Specifies the authentication type. Allowed values are **Anonymous**, **Basic**, **Digest**, **Windows**, and **ClientCertificate**. You can additionally configure authentication headers in `authHeader` property. See the sections that follow this table for more properties and JSON samples for these authentication types. | Yes |
 | authHeaders | Additional HTTP request headers for authentication.<br/> For example, to use API key authentication, you can select authentication type as “Anonymous” and specify API key in the header. | No |
 | connectVia | The [Integration Runtime](concepts-integration-runtime.md) to use to connect to the data store. Learn more from [Prerequisites](#prerequisites) section. If not specified, the default Azure Integration Runtime is used. |No |