To uninstall the connector, you must first delete all defined instances of the connector, then you must delete the connector from the Self Update page.
To uninstall the connector:
From the Setup menu, select Extensibility, then Management Connectors.
Select an instance of the connector you want to delete, then click Delete.
On the Confirmation page, click Yes.
Repeat steps 2 and 3 until all instances of the connector have been deleted.
From the Setup menu, select Extensibility, then Self Update.
Click on the Management Connector link in the Type column.
A list of updates appears for Management Connectors.
Click on the connector you want to delete, select Actions, then select Delete.