jffs2: compr_rubin: Remove unused function

Remove the function pulledbits() that is not used anywhere.

This was partially found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <[e-mail]>
Reviewed-by: Richard Weinberger <[e-mail]>
Signed-off-by: Brian Norris <[e-mail]>

fs/jffs2/compr_rubin.c

···
 	return bit;
 }
 
-static inline int pulledbits(struct pushpull *pp)
-{
-	return pp->ofs;
-}
-
 
 static void init_rubin(struct rubin_state *rs, int div, int *bits)
 {