How do I remove a card from Apple Pay on my iPhone or iPad?

From the Wallet app:

• Open the Wallet app
• Select the card you'd like to remove
• Tap on the icon 
• Tap 'Remove Card' at the bottom of your screen.

From Settings:

• Open Settings
• Scroll down and tap 'Wallet & Apple Pay'
• Select the card you'd like to remove
• Tap 'Remove Card' at the bottom of your screen.