[fusl] Remove LFS64 macro

fusl/src/stat/__xstat.c

 #include <sys/stat.h>
 #include "libc.h"
 
 int __fxstat(int ver, int fd, struct stat* buf) {
   return fstat(fd, buf);
 }
 
 int __fxstatat(int ver, int fd, const char* path, struct stat* buf, int flag) {
   return fstatat(fd, path, buf, flag);
 }
 
 int __lxstat(int ver, const char* path, struct stat* buf) {
   return lstat(path, buf);
 }
 
 int __xstat(int ver, const char* path, struct stat* buf) {
   return stat(path, buf);
 }
 
-LFS64(__fxstat);
-LFS64(__fxstatat);
-LFS64(__lxstat);
-LFS64(__xstat);
-
 int __xmknod(int ver, const char* path, mode_t mode, dev_t* dev) {
   return mknod(path, mode, *dev);
 }
 
 int __xmknodat(int ver, int fd, const char* path, mode_t mode, dev_t* dev) {
   return mknodat(fd, path, mode, *dev);
 }