Hi there! You should be able to remove the plugin from your profile by following the instructions outlined in our article on managing your saved plugins here: https://help.figma.com/hc/en-us/articles/360043031473-Manage-your-saved-plugins (click Remove from saves.)

If you are still experiencing issues, feel free to provide a brief video showing the steps you are taking to remove the plugin from your account. Hope it helps!