Remove killer move conditions from LMR

VoyagerOne · zamar · commit ed72a1e9ba37 · 2015-12-20T20:41:17.000Z
STC: LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 8459 W: 1619 L: 1477 D: 5363 LTC: LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 32239 W: 4404 L: 4299 D: 23536 Bench: 7597031 Resolves #534
diff --git a/src/search.cpp b/src/search.cpp
@@ -982,9 +982,7 @@ namespace {
       // re-searched at full depth.
       if (    depth >= 3 * ONE_PLY
           &&  moveCount > 1
-          && !captureOrPromotion
-          &&  move != ss->killers[0]
-          &&  move != ss->killers[1])
+          && !captureOrPromotion)
       {
           ss->reduction = reduction<PvNode>(improving, depth, moveCount);
 
