Stealth Rock may not be as prevalent but I think you're kidding yourself if you think SR is going away. Suicide leads will go down because giving up an entire Pokemon for Rocks that may not stay up is inefficient. Bulky SR users (like the ones with Sturdy!) should still be prominent. Even if it takes one turn to spin away the rocks, your team is taking hazard damage until you can get your spinner in.
If Gamefreak nerfed SR's mechanics, then perhaps it'll be different.
And then it gets to the point where everyone is fed up with having to babysit their rocks. I've heard Stealth Rock is exactly the same btw, but I don't mind ever since I found out about aiming mark.