seg_inherit_notsup is redundant since segop_inherit checks for NULL properly

*** 773,783 ****
          .dump           = segkmem_dump,
          .pagelock       = segkmem_pagelock,
          .getmemid       = segkmem_getmemid,
          .getpolicy      = segkmem_getpolicy,
          .capable        = segkmem_capable,
-         .inherit        = seg_inherit_notsup,
  };
  
  int
  segkmem_zio_create(struct seg *seg)
  {
--- 773,782 ----