4027 remove CLOSED_BUILD
4028 remove CLOSED_IS_PRESENT
4029 remove tonic build bits
Reviewed by: Andy Stormont <andyjstormont@gmail.com>

*** 66,77 ****
  ./usr/closed/uts/common/io/bnx/itypes.h
  ./usr/closed/uts/common/io/bnx/status_code.h
  ./usr/closed/uts/common/io/bnx/tcp_ctx.h
  ./usr/closed/uts/common/io/bnx/toe_ctx.h
  ./usr/closed/uts/common/io/bnx/bnxdbg.c
- 
- #
- # Ignore Makefile.tonic - not used unless we're running an
- # OpenSolaris closedbins delivery build
- #
- ./usr/closed/Makefile.tonic
- 
--- 66,70 ----