heroc: don't inherit gsm.mk, using apns from device tree instead

Change-Id: Ib0ce536f3f737499141d60a18d374db56324a105
diff --git a/products/cyanogen_heroc.mk b/products/cyanogen_heroc.mk
index e4ee89e..c99536e 100644
--- a/products/cyanogen_heroc.mk
+++ b/products/cyanogen_heroc.mk
@@ -4,8 +4,6 @@
 # Inherit some common cyanogenmod stuff.
 $(call inherit-product, vendor/cyanogen/products/common.mk)
 
-# Inherit apns list from common
-$(call inherit-product, vendor/cyanogen/products/gsm.mk)
 
 #
 # Setup device specific product configuration.