environment vars not used

Makefile

@@ -202,7 +202,6 @@ NO_ERROR=0
 	@echo 'LC_ALL:=C' >>prereq.mk
 	@echo 'MAKE:=$${GMAKE}' >>prereq.mk
 	@echo "OStype:=$$(env uname)" >>prereq.mk
-	@echo "ADKtype:=$$(cat /etc/adktarget 2>/dev/null)" >>prereq.mk
 	@echo "_PATH:=$$PATH" >>prereq.mk
 	@echo "PATH:=\$${TOPDIR}/scripts:/usr/sbin:$$PATH" >>prereq.mk
 	@echo "SHELL:=$$(which bash)" >>prereq.mk

rules.mk

@@ -63,13 +63,6 @@ include $(TOPDIR)/target/$(ADK_TARGET_ARCH)/target.mk
 endif
 endif
 
-ifneq (${DEBUG},)
-ADK_DEBUG:=y
-endif
-ifneq (${STATIC},)
-ADK_STATIC:=y
-endif
-
 include $(TOPDIR)/mk/vars.mk
 
 ifneq (${show},)