build: delete 64-bit blacklist

The last projects in the blacklist have been fixed, delete the code.

Change-Id: I0fe7809bd18e32516374c9cb2a6f71df1d3c62ee
diff --git a/core/definitions.mk b/core/definitions.mk
index 9260345..c2c8823 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -424,7 +424,7 @@
     $(if $(_idfName),, \
         $(error $(LOCAL_PATH): Name not defined in call to intermediates-dir-for)) \
     $(eval _idfPrefix := $(if $(strip $(3)),HOST,TARGET)) \
-    $(eval _idf2ndArchPrefix := $(if $(call directory_is_64_bit_blacklisted,$(LOCAL_PATH))$(strip $(5)),$(TARGET_2ND_ARCH_VAR_PREFIX))) \
+    $(eval _idf2ndArchPrefix := $(if $(strip $(5)),$(TARGET_2ND_ARCH_VAR_PREFIX))) \
     $(if $(filter $(_idfPrefix)-$(_idfClass),$(COMMON_MODULE_CLASSES))$(4), \
         $(eval _idfIntBase := $($(_idfPrefix)_OUT_COMMON_INTERMEDIATES)) \
       ,$(if $(filter $(_idfClass),SHARED_LIBRARIES STATIC_LIBRARIES EXECUTABLES GYP),\