How do I fully delete an Eclipse project when I've already deleted the folder and contents? I want to do this so that I can reuse the project name.
Try removing directly the project within your workspace, within:
as mentioned in "Where in an Eclipse workspace is the list of projects stored?"
Don't have rep to comment directly on @VonC's answer yet. But here is how it worked for me.
Maybe step 2 can be skipped, I have not tried.
My eclipse: Luna Release (4.4.0)