QSearch ordering strictly based on Capture History

Bench: 4224430

This is a two-fold patch where the major changes are:

Adjust QSearch to strictly do it's ordering based on history.
- Negative SEE moves still can be skipped iff another move has already been checked to avoid mate
Remove under-promotions (captures and quiets) from PB and QS

STC

ELO   | 2.28 +- 1.84 (95%)
SPRT  | 10.0+0.10s Threads=1 Hash=8MB
LLR   | 2.94 (-2.94, 2.94) [0.00, 3.00]
GAMES | N: 65432 W: 15810 L: 15381 D: 34241

LTC

ELO   | 2.69 +- 2.11 (95%)
SPRT  | 60.0+0.60s Threads=1 Hash=64MB
LLR   | 2.96 (-2.94, 2.94) [0.00, 3.00]
GAMES | N: 46736 W: 10712 L: 10350 D: 25674

jhonnold / berserk