⚖️ Remove isolated pawns penalty [proper SPRT additional eval]

[eduherminio]

No isolated

Score of Lynx-eval-no-pawns-no-isolated-2951-win-x64 vs Lynx 2938 - main: 952 - 1108 - 1106  [0.475] 3166
...      Lynx-eval-no-pawns-no-isolated-2951-win-x64 playing White: 657 - 366 - 560  [0.592] 1583
...      Lynx-eval-no-pawns-no-isolated-2951-win-x64 playing Black: 295 - 742 - 546  [0.359] 1583
...      White vs Black: 1399 - 661 - 1106  [0.617] 3166
Elo difference: -17.1 +/- 9.8, LOS: 0.0 %, DrawRatio: 34.9 %
SPRT: llr -2.25 (-78.0%), lbound -2.25, ubound 2.89 - H0 was accepted