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

*** 81,94 ****
  #
  
  include $(UTSTREE)/sun4u/Makefile.sun4u
  
  #
! #       Define modules (must come after Makefile.sun4u, for CLOSED_BUILD).
  #
  MPXU_KMODS      = tsalarm
- $(CLOSED_BUILD)CLOSED_MPXU_KMODS        = platmod ntwdt
  
  MODSTUBS_DIR    = $(UNIX_DIR)
  LINTS_DIR       = $(OBJS_DIR)
  LINT_LIB_DIR    = $(UTSBASE)/$(PLATFORM)/mpxu/lint-libs/$(OBJS_DIR)
  
--- 81,93 ----
  #
  
  include $(UTSTREE)/sun4u/Makefile.sun4u
  
  #
! #       Define modules (must come after Makefile.sun4u).
  #
  MPXU_KMODS      = tsalarm
  
  MODSTUBS_DIR    = $(UNIX_DIR)
  LINTS_DIR       = $(OBJS_DIR)
  LINT_LIB_DIR    = $(UTSBASE)/$(PLATFORM)/mpxu/lint-libs/$(OBJS_DIR)