remove hw class flag

Change-Id: I8b368267efa2370eeae2c57371a7517c45856c44
diff --git a/Android.mk b/Android.mk
index e92f634..03c634a 100644
--- a/Android.mk
+++ b/Android.mk
@@ -38,5 +38,4 @@
 
 ifeq ($(BOARD_VENDOR),samsung)
 include $(SAM_ROOT)/ril/Android.mk
-BOARD_HARDWARE_CLASS := $(SAM_ROOT)/cmhw
 endif