Deletes a 'Loose' Employer. Will fail if the employer is in use by a web client or invoice. 

A Web Employer ID (webEmployerId) is passed as a parameter. This should be the ID returned by the AddLooseWebEmployer function. 

Requires a valid registration key entry for the Short Courses feature. 

This function has security level "Protected", and can only be accessed by users that have explicitly been granted permission to the API.

[WebMethod(Description = "Deletes a 'Loose' employer with the specified ID")]
public TAuthenticate DeleteLooseWebEmployer(string token, int webEmployerId);