Unregisters the port for a given name on the local host.
Original signature is '- (BOOL)removePortForName:(NSString *)portName'
Available in Mac OS X v10.0 and later.


- portName (NSString)
- The name of the port to unregister.

YES if successful, otherwise NO.

- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)