Remove Brillo-specific LOCAL_MODULE_TAGS

Replaced with PRODUCT_PACKAGES_ENG in brillo_base.mk

Change-Id: I0080e16a5a060c89fa90c5d9e65ae87ca580e8e7
diff --git a/Android.mk b/Android.mk
index 0d9e7e1..b55eebd 100644
--- a/Android.mk
+++ b/Android.mk
@@ -394,9 +394,6 @@
 include $(CLEAR_VARS)
 LOCAL_MODULE := shill_test
 LOCAL_MODULE_CLASS := NATIVE_TESTS
-ifdef BRILLO
-LOCAL_MODULE_TAGS := eng
-endif # BRILLO
 LOCAL_CPPFLAGS := $(shill_cpp_flags) -Wno-sign-compare -Wno-return-stack-address
 LOCAL_SHARED_LIBRARIES := \
     $(shill_shared_libraries) \
@@ -656,9 +653,6 @@
     libshill-client
 LOCAL_SRC_FILES += setup_wifi/dbus_client.cc
 endif # SHILL_USE_BINDER
-ifdef BRILLO
-LOCAL_MODULE_TAGS := eng
-endif
 LOCAL_STATIC_LIBRARIES := libgtest_prod
 LOCAL_C_INCLUDES := \
     $(shill_c_includes) \