headers: Remove rst-info.h from restorer.h

The latter is header for pie code, it doesn't mess with
rst_info which is criu-time structure.
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>

criu/include/restorer.h

@@ -10,7 +10,6 @@
 #include "lock.h"
 #include "util.h"
 #include "asm/restorer.h"
-#include "rst_info.h"
 #include "config.h"
 
 #include "posix-timer.h"