Improve time managment

If we need some more and we are in time
advantage take it.

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

src/uci.cpp

@@ -134,7 +134,6 @@ namespace {
         TT.clear();
         Position::init_piece_square_tables();
         RootPosition.from_fen(StartPosition);
-
     }
     else if (token == "isready")
         std::cout << "readyok" << std::endl;