Remove unused constant

Fixes warning on ICC

Signed-off-by: Marco Costalba <mcostalba@gmail.com>

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index c8ccaf9c8312d0a3c062ee294a7e519153ef70a3..d291e46b6c8c21c7816952adf89c311874cbcbc5 100644 (file)
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -207,7 +207,6 @@ namespace {
 
   // Bonuses for enemy's safe checks
   const int QueenContactCheckBonus = 3;
-  const int DiscoveredCheckBonus   = 3;
   const int QueenCheckBonus        = 2;
   const int RookCheckBonus         = 1;
   const int BishopCheckBonus       = 1;