4028 remove CLOSED_IS_PRESENT

@@ -128,11 +128,10 @@
 
 clean clobber: $(SUBDIRS) head pkg
 
 closedbins: bldtools $(ROOTDIRS) FRC
         @CLOSED_ROOT="$$ON_CLOSED_BINS/root_$(MACH)$${RELEASE_BUILD+-nd}"; \
-        if [ "$$CLOSED_IS_PRESENT" = no ]; then \
                 if [ ! -d "$$CLOSED_ROOT" ]; then \
                         $(ECHO) "Error: ON_CLOSED_BINS must point to closed" \
                             "binaries."; \
                         $(ECHO) "root_$(MACH)$${RELEASE_BUILD+-nd} is not" \
                             "present in $$ON_CLOSED_BINS."; \

@@ -142,12 +141,11 @@
                 (cd $$CLOSED_ROOT; \
                     $(TAR) cfX - $(CODEMGR_WS)/exception_lists/closed-bins .) | \
                     (cd $(ROOT); $(TAR) xBpf -); \
                 ( cd $(ROOT); $(CTFSTRIP) $$(cd $$CLOSED_ROOT; $(FIND) \
                     ./kernel ./usr/kernel ./platform/*/kernel -type f -a -perm -u+x | \
-                    $(EGREP) -vf $(CODEMGR_WS)/exception_lists/closed-bins) ); \
-        fi
+            $(EGREP) -vf $(CODEMGR_WS)/exception_lists/closed-bins) )
 
 #
 # Declare what parts can be built in parallel
 # DUMMY at the end is used in case macro expansion produces an empty string to
 # prevent everything going in parallel