No need to filter out AndroidConfig.h for unbundled build

for now we have all AndroidConfig.hs in the build project.

Change-Id: Id713fecba1378fad81688f5937f61c779b618ac2
diff --git a/core/combo/TARGET_linux-x86.mk b/core/combo/TARGET_linux-x86.mk
index 04531b2..a4abcff 100644
--- a/core/combo/TARGET_linux-x86.mk
+++ b/core/combo/TARGET_linux-x86.mk
@@ -85,6 +85,8 @@
 endif
 KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH)
 
+android_config_h := $(call select-android-config-h,target_linux-x86)
+
 TARGET_GLOBAL_CFLAGS += \
 			-O2 \
 			-Ulinux \
@@ -101,11 +103,9 @@
 			-fstrict-aliasing \
 			-funswitch-loops \
 			-funwind-tables \
-			-fstack-protector
-
-android_config_h := $(call select-android-config-h,target_linux-x86)
-TARGET_ANDROID_CONFIG_CFLAGS := -include $(android_config_h) -I $(dir $(android_config_h))
-TARGET_GLOBAL_CFLAGS += $(TARGET_ANDROID_CONFIG_CFLAGS)
+			-fstack-protector \
+			-include $(android_config_h) \
+			-I $(dir $(android_config_h))
 
 # XXX: Not sure this is still needed. Must check with our toolchains.
 TARGET_GLOBAL_CPPFLAGS += \