If you want to remove the discount from the product which are already Live you need to follow the following sequence of the actions
ACTION 1
Remove the Price Template from the Profile -
1. Visit Profile in the Left-Hand Menu
2. Edit the Profile
3. Under Price Template, DeSelect the Current Price Template
4. Save the Profile
ACTION 2
Delete the Current Offer for the Products
1. Visit Product Section
2. Select the Product of that Profile
3. Choose Bulk Action > Offer Delete
4. Click on Action
Note - The Product will be Deactivated from Catch for some time after following this action.
ACTION 3
Publish the Product Again
1. Visit Product Section
2. Select the Product of that Profile
3. Choose Bulk Action > Publish Listing
4. Click on Action
ACTION 4
Submit the Offer Again
1. Visit Product Section
2. Select the Product of that Profile
3. Choose Bulk Action > Submit / Update Offer
4. Click on Action
Once you perform all the four actions as explained above the product will come up on Catch without discounts.
Note - You don't need any Price Template in case you want to submit the Product without an offer.