4027 remove CLOSED_BUILD

*** 35,45 ****
  CERRWARN += -_gcc=-Wno-parentheses
  
  $(ROOTONBLDMAN1FILES) := FILEMODE=      644
  
  EXCEPTION_SRC= common open
- $(CLOSED_BUILD)EXCEPTION_SRC += closed
  EXCEPTION_LISTS=        $(EXCEPTION_SRC:%=exception_list.%)
  
  CLOBBERFILES += exception_list
  
  .KEEP_STATE:
--- 35,44 ----