Move old main.c test into blst_experiments where it belongs

blst_experiments/main.c

@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <time.h>
-#include "blst/blst.h"
+#include "../blst/bindings/blst.h"
 
 const byte dst[] = "MY-DST";
 double time_taken;