Pretty much. It is just a matter of sanding the spine down to a new profile.
I won't see much difference in performance, but there must be a reason that knife makers and manufacturers vary the degree of "drop" in a blade, from Bowie-style clip point to Wharncliffe. Is a spearpoint drop point the compromise between all shapes?
I'm not sure, but I think the spear point is designed to utilise the tip as a boring/digging tool using a twisting motion.