Replace BPV(pvs) by OWNPV

See !2886 for instructions.

As of 26th Nov 2024, I see this on Moore:master:

grep -r BPV Hlt/Hlt2Conf/ | wc -l 
2246

Previously

As of 16th Oct 2024, I see

grep -r BPV Hlt/Hlt2Conf/ | wc -l
2241

I assume that the completion criterion is for that count to be zero.

Progress

• Charm
• SLB
• QEE : !4033 (merged) via !4063 (merged)
• B&Q
• BnoC
• IFT
• B2CC : !3978 (merged) via !3980 (merged)
• B2OC

@wouter