Remove QACITS references
Replace references to QACITS with Dpsics, because this is about the online library, and only mimics Qacits but is not qacits.
Some QACITS references remain but those should not end up in user-facing documentation.
Replace references to QACITS with Dpsics, because this is about the online library, and only mimics Qacits but is not qacits.
Some QACITS references remain but those should not end up in user-facing documentation.