Had a close look at the choke area on a few barrel sets.
It appears to me the chrome plating is inclusive of the choke(s).
On a shooter, I believe I fall on the side of cutting for desirable choke & practical use preceded by a good bit of shooting w/the original configuration to assure necessity.
That said, it would be wise to approach the modification(s) with caution and perform the alteration incrementally along with the aid of a patterning board.
Collector pcs should be left as is
Far easier to remove metal than to put it back