You cannot remove or unlink those projects if you are holding an Project Editor position, only the Project Owner can remove you from the project or a user that have a role of Project IAM Admin.
The best way to do is to ask the owner or the IAM Admin of the project and request that they remove you from their projects.
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…