alphaplus: Drop COMMON_LUNCH_CHOICES

As of 14 QPR2 this is broken, let's remove it instead of updating it
every 3 months. breakfast is the way to go.

Change-Id: I097bd54b894d9a49c7ce8b1ab6f343349e268fd8

AndroidProducts.mk

@@ -6,8 +6,3 @@
 
 PRODUCT_MAKEFILES += \
     $(LOCAL_DIR)/lineage_alphaplus.mk
-
-COMMON_LUNCH_CHOICES := \
-    lineage_alphaplus-eng \
-    lineage_alphaplus-user \
-    lineage_alphaplus-userdebug