Remove manual WITH_JIT setting from build/.

This is now done automatically by dalvik/, since
patch 272a54f8553e13b87bf819542ddc6701fc1232cc.

Change-Id: I57709538f20188417c014630442e897401d7ace0
diff --git a/core/combo/TARGET_linux-arm.mk b/core/combo/TARGET_linux-arm.mk
index 17359e9..949dcaa 100644
--- a/core/combo/TARGET_linux-arm.mk
+++ b/core/combo/TARGET_linux-arm.mk
@@ -241,11 +241,6 @@
 
 TARGET_CUSTOM_LD_COMMAND := true
 
-# Enable the Dalvik JIT compiler if not already specified.
-ifeq ($(strip $(WITH_JIT)),)
-    WITH_JIT := true
-endif
-
 define transform-o-to-shared-lib-inner
 $(hide) $(PRIVATE_CXX) \
 	-nostdlib -Wl,-soname,$(notdir $@) \
diff --git a/core/combo/TARGET_linux-mips.mk b/core/combo/TARGET_linux-mips.mk
index 8aa6495..9068446 100644
--- a/core/combo/TARGET_linux-mips.mk
+++ b/core/combo/TARGET_linux-mips.mk
@@ -215,11 +215,6 @@
 
 TARGET_CUSTOM_LD_COMMAND := true
 
-# Enable the Dalvik JIT compiler if not already specified.
-ifeq ($(strip $(WITH_JIT)),)
-    WITH_JIT := true
-endif
-
 define transform-o-to-shared-lib-inner
 $(hide) $(PRIVATE_CXX) \
 	-nostdlib -Wl,-soname,$(notdir $@) \