That's a philosophical idea.
When they say Maya they mean the worldly pleasures and luxuries which eventually keep you attached to the physical nature of things.
The concept asks you to become liberate Enough out of this attachment of worldly things or Maya and dissolve into the cosmos free from the worries related to these worldly things.
That concept of Maya in hindu Philosophy is completely a different stuff from simulation.
Also a word in literature ,I must mention, it is sometimes used for depicting misleading things that are created deliberately