I really don't care for Oblivion in general (Not a huge fan of it) but by the divines, this DLC for it was amazing and wouldn't mind playing it again in Skyrim. So any chance of having only just it?
He/She maybe want SI as
He/She possibly want SI as separate plugin
(not so bad idea, because SI is very separated by quest line).
But now you set his/her karma := -1, so this will be hard to answer.
You want to delete anything
You want to delete anything except SI addon or what? Addon is included already http://www.youtube.com/watch?v=EHOTj3qDMlA
I juts don't understand your question.