Remove unused lfs_dir_tell function

src/platform/stm32wl/littlefs/lfs.c

@@ -1057,12 +1057,6 @@ int lfs_dir_seek(lfs_t *lfs, lfs_dir_t *dir, lfs_off_t off)
     return 0;
 }
 
-lfs_soff_t lfs_dir_tell(lfs_t *lfs, lfs_dir_t const *dir)
-{
-    (void)lfs;
-    return dir->pos;
-}
-
 int lfs_dir_rewind(lfs_t *lfs, lfs_dir_t *dir)
 {
     // reload the head dir

src/platform/stm32wl/littlefs/lfs.h

@@ -436,14 +436,6 @@ int lfs_dir_read(lfs_t *lfs, lfs_dir_t *dir, struct lfs_info *info);
 // Returns a negative error code on failure.
 int lfs_dir_seek(lfs_t *lfs, lfs_dir_t *dir, lfs_off_t off);
 
-// Return the position of the directory
-//
-// The returned offset is only meant to be consumed by seek and may not make
-// sense, but does indicate the current position in the directory iteration.
-//
-// Returns the position of the directory, or a negative error code on failure.
-lfs_soff_t lfs_dir_tell(lfs_t *lfs, lfs_dir_t const *dir);
-
 // Change the position of the directory to the beginning of the directory
 //
 // Returns a negative error code on failure.