Use Heinz's RKiss instead of marsenne

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

src/application.cpp

@@ -27,7 +27,6 @@
 #include "endgame.h"
 #include "evaluate.h"
 #include "material.h"
-#include "mersenne.h"
 #include "misc.h"
 #include "movepick.h"
 #include "position.h"
@@ -41,7 +40,6 @@
 
 Application::Application() {
 
-    init_mersenne();
     init_direction_table();
     init_bitboards();
     init_uci_options();
@@ -51,10 +49,6 @@ Application::Application() {
     init_bitbases();
     init_search();
     init_threads();
-
-    // Make random number generation less deterministic, for book moves
-    for (int i = abs(get_system_time() % 10000); i > 0; i--)
-        genrand_int32();
 }
 
 void Application::initialize() {