1. Find likes given by a user and select and delete them by selection
2. Find likes given to a user by others and delete them by selection
Trophy system is totally based on the like system. So preventing like abuse and cheating the trophy system is a critical part of proper user ranks in the community.
We have to encourage real good posters and content creators with rankings other than abusers and cheaters who get likes from their own fake accounts, asking friends to like their posts, sharing likes as a gang etc..