criu: Remove PAGE_IMAGE_SIZE

It's unused since commit fd3f33f5 ("headers: image.h -- Drop unused
entries"), so let's remove it completely.
Signed-off-by: Dmitry Safonov <dima@arista.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>

criu/crtools.c

@@ -316,7 +316,6 @@ int main(int argc, char *argv[], char *envp[])
 
 #undef BOOL_OPT
 
-	BUILD_BUG_ON(PAGE_SIZE != PAGE_IMAGE_SIZE);
 	BUILD_BUG_ON(CTL_32 != SYSCTL_TYPE__CTL_32);
 	BUILD_BUG_ON(__CTL_STR != SYSCTL_TYPE__CTL_STR);
 	/* We use it for fd overlap handling in clone_service_fd() */

criu/include/image.h

@@ -12,11 +12,6 @@
 #include "log.h"
 #include "common/bug.h"
 
-#ifdef _ARCH_PPC64
-#define PAGE_IMAGE_SIZE	65536
-#else
-#define PAGE_IMAGE_SIZE	4096
-#endif /* _ARCH_PPC64 */
 #define PAGE_RSS	1
 #define PAGE_ANON	2