unix/modos: Remove VfsFat from uos module, it's now in uos_vfs module.

unix/modos.c

@@ -39,7 +39,6 @@
 #include "py/objtuple.h"
 #include "py/mphal.h"
 #include "extmod/misc.h"
-#include "extmod/vfs_fat.h"
 
 #ifdef __ANDROID__
 #define USE_STATFS 1
@@ -226,9 +225,6 @@ STATIC const mp_rom_map_elem_t mp_module_os_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_getenv), MP_ROM_PTR(&mod_os_getenv_obj) },
     { MP_ROM_QSTR(MP_QSTR_mkdir), MP_ROM_PTR(&mod_os_mkdir_obj) },
     { MP_ROM_QSTR(MP_QSTR_ilistdir), MP_ROM_PTR(&mod_os_ilistdir_obj) },
-    #if MICROPY_VFS_FAT
-    { MP_ROM_QSTR(MP_QSTR_VfsFat), MP_ROM_PTR(&mp_fat_vfs_type) },
-    #endif
     #if MICROPY_PY_OS_DUPTERM
     { MP_ROM_QSTR(MP_QSTR_dupterm), MP_ROM_PTR(&mp_uos_dupterm_obj) },
     #endif