Deleted global variable still appears in debugger and stage

1

I deleted a global variable, but it still appears in the stage (visible via debugger, as a global property).

Also, what is the different between a property and a variable.

I deleted every appearance of the variable in the code.

Here is the project:

2

Can you email this project with the code you have used to support@tynker.com? The link seems to be just the DIY template

3

I have done so. The link is to the project page. If you remix, you can see my revised version of the projce, and I have removed the tutorial (created a nutll tutorial).