How to remove Action drop down selection of Promote for a Contingent Worker type

Summary:

For our Contingent Workers (Contractors) there should be certain menu items under 'Action' which should not display for a Contingent Worker. As an example, please see screen shot attached of a Contingent Worker. You will notice that when clicking the drop down of the Action menu, you will see different actions displayed such as 'Promote'. The Promote action should not be seen for Contingent Workers.

What are the steps we need to take so that 'Promote' is not displayed in the Action menu drop down for a Contingent Worker?

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