Revert all recently submitted rmdir() whiteout related code, not required anymore.
Revert all recently submitted rmdir() whiteout related code, not required anymore.

jrk/unionfs-fuse,kissthink/unionfs-fuse-1,evnu/unionfs-fuse,jrk/unionfs-fuse,yogoloth/unionfs-fuse,yogoloth/unionfs-fuse,kissthink/unionfs-fuse-1,jrk/unionfs-fuse,yogoloth/unionfs-fuse,evnu/unionfs-fuse,kissthink/unionfs-fuse-1,jrk/unionfs-fuse,evnu/unionfs-fuse