How do I remove or delete message received Re location shared and another message then when stopped sharing

Start here --> Delete messages on iPhone - Apple Support

Stop sharing your location

1. Open the Find My app and select the People tab.
2. Choose the person you want to stop sharing your location with.
3. Scroll down and select Stop Sharing My Location.

Turn off Allow Friend Requests

1. Open the Find My app.
2. Select the Me tab.
3. Turn off Allow Friend Requests.

Stop sharing with everyone

1. Open the Find my app.
2. Select the Me tab.
3. Turn off Share My Location.