seg_inherit_notsup is redundant since segop_inherit checks for NULL properly

*** 78,88 ****
  
  struct seg_ops segspt_ops = {
          .unmap          = segspt_unmap,
          .free           = segspt_free,
          .getpolicy      = segspt_getpolicy,
-         .inherit        = seg_inherit_notsup,
  };
  
  static int segspt_shmdup(struct seg *seg, struct seg *newseg);
  static int segspt_shmunmap(struct seg *seg, caddr_t raddr, size_t ssize);
  static void segspt_shmfree(struct seg *seg);
--- 78,87 ----
*** 136,146 ****
          .pagelock       = segspt_shmpagelock,
          .setpagesize    = segspt_shmsetpgsz,
          .getmemid       = segspt_shmgetmemid,
          .getpolicy      = segspt_shmgetpolicy,
          .capable        = segspt_shmcapable,
-         .inherit        = seg_inherit_notsup,
  };
  
  static void segspt_purge(struct seg *seg);
  static int segspt_reclaim(void *, caddr_t, size_t, struct page **,
                  enum seg_rw, int);
--- 135,144 ----