Simplify move ordering bonuses for putting piece en prise and escaping capture
Now there is also a penalty for exposing knights and bishops to capture by a pawn.
Passed STC:
https://tests.stockfishchess.org/tests/view/68074379878abf56f9a0d5b1
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 96512 W: 24841 L: 24687 D: 46984
Ptnml(0-2): 294, 11336, 24835, 11504, 287
Passed LTC:
https://tests.stockfishchess.org/tests/view/6808954a878abf56f9a0d76d
LLR: 2.95 (-2.94,2.94) <-1.75,0.25>
Total: 221328 W: 56271 L: 56255 D: 108802
Ptnml(0-2): 131, 24149, 62071, 24199, 114
closes https://github.com/official-stockfish/Stockfish/pull/6023
Bench: 1778227