It does seem like a rather odd decision, and more the dev team being afraid to remove any abilities rather that make the kit cohesive.

Removing Requiescat entirely and baking its potency into the Blade Combo would serve the exact same purpose without the whole "Confiteor Ready" aspect. If they preferred keeping Requiescat, then bake Flight or Fight into it.

Goring Blade definitely feels like a placeholder at this point. Either they'll make it an oGCD that replaces Circle of Scorn (which I'd be shocked to see survive 7.0) or it'll have some new interaction with whatever they do come 7.0.