In the Directories module, you have an option to hide or display the Pricing tab. This help file illustrates how to toggle the Pricing tab on and off (True and False)

Go to Apps in the navigation bar ----> Select Admin ---->  Full Settings List 

Scroll down to the settings for Directories and click on Hide Pricing Tab

Inside the settings for Directories, scroll down to Hide Pricing Tab and select the dropdown to be True if you wish to hide the pricing tab. Save before leaving the page.