Bishop pair same colored pawns decrement

If we have bishop pair, divide by 2 the influence of same colored pawns
Fixes
Revert "Fixes"

This reverts commit d89e2ed01face79e9bfef832949030837e9bceaf.
Revert "Bishop pair same colored pawns decrement"

This reverts commit 765e415bf6c0201edc4a48644457d84bf216a154.