To delete a live location, you can follow these steps:
1. Open the conversation containing the live location in your messaging app.
2. Tap on the live location message.
3. Tap on the “Stop Sharing” button.
4. Confirm that you want to stop sharing your live location.
If you wish to prevent someone from being able to access your live location in the future, you should also make sure to adjust your privacy settings. Depending on your messaging app, you can do this by going to the settings menu and adjusting the default settings for location sharing.