- remove ixj_register and ixj_unregister. these were EXPORT_SYMBOL'ed static
  (sic) functions it seems the only reason why this "worked" was that there
  were exactly zero users of them...

- remove four local variables that are after this removal no longer
  required

- make five functions that were needlessly global static
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>