Remove empty line

Signed-off-by: Tom Kerkhove <kerkhove.tom@gmail.com>

Author: tomkerkhove

docs/logic-apps/authentication.md

@@ -20,7 +20,6 @@ When using a service principal, you need to provide the following information:
 - **Client Id** - Identifier of the service principal in Azure AD. In this case, it is the application id of the Azure AD app.
 - **Client Id** - Secret of the service principal in Azure AD to authenticate with.
 
-
 Here is an example:
 ```csharp
 string tenantId = "my-tenant-id";