While that single statement might not imply that it's gone for good, everything Elon and SpaceX have publicly stated leads one to the conclusion that it isn't ever going to happen.
Heck, Falcon Heavy has turned out to be a much larger engineering problem than originally thought even without asparagus staging (cross-feed) due to issues with reinforcing the center core to handle the loads from the side cores.
Based on Musk's latest presentation regarding BFR, it seems that Falcon Heavy will be a somewhat short-lived launch platform.
Then again, with SpaceX, plans change early and often...