In name, yes. But the devil is in the details. The Federal exchanges will be toast, but some of the State exchanges will continue. We will see a pullback of the Medicaid expansion, especially since it proved costlier than expected, so the savings from that can be part of the justification of the tax cut our government neither needs nor can afford.
However, I can't see the outright elimination of pre-existing conditions, tho a backdoor pullback by allowing some additional factors like weight and age to be part of the pricing model the insurers use. Some form of premium subsidy will continue, tho that's likely to change so that it's something you get back when you file taxes instead of being something you get during the year.
The cloudiest thing is the fate of the individual mandate. If it's not there, we'll see a death spiral of increasing premiums as only the sick choose to remain insured.
Maybe there will be a market for insurance loans where you take out the loan to pay your premium and pay back the loan with your tax refund?