[Feature] Add option to delete after installing

[devnoname120]

Request

From my PoV keeping around signed IPAs is completely useless, I would rather only keep the unsigned/unmodified IPAs given that signing takes at most a few seconds.

Request Agreement

• I have read the requirements for opening an issue above

Contributor Checks

• I am willing to attempt to make a pull request with these requested features

[Nyasami]

really