To Delete a Profile,

1. Go to the Magento 2 Store Admin panel.
2. On the left navigation bar, click the OnBuy Integration menu.
   A menu appears as shown in the following figure:
   
3. Click on Profile Manager.
   The Manage Profile page appears as shown in the following figure:
   
4. Scroll down to the required profile row.
5. In the Action column of the respective row, click the Edit button.
   The profile editing page appears as shown in the following figure:
   
6. The selected profile will be deleted.