If the ceiling was settling and sagging enough to need a post in the center of the beam, then it became a load bearing beam as soon as the post went under it. You remove the beam now, or the post and those skylights in the pic will be perfect points for cracks to start.
As shallow as the skylight sides look, I'm supposing that's a vaulted ceiling.
My opinion is that you need to find a post/wall and beam combination that suits your taste and budget.
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