Remove sdm845-userdebug build target

Remove the common sdm845-userdebug build target.
Move the common device configs to device-common.mk and
{beryllium,enchilada}/device.mk file.

Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
diff --git a/enchilada/BoardConfig.mk b/enchilada/BoardConfig.mk
index 2f2d327..536b0e4 100644
--- a/enchilada/BoardConfig.mk
+++ b/enchilada/BoardConfig.mk
@@ -4,3 +4,10 @@
 # Board Information
 TARGET_BOOTLOADER_BOARD_NAME := enchilada
 TARGET_BOARD_PLATFORM := enchilada
+
+# Kernel/boot.img Configuration
+BOARD_KERNEL_CMDLINE     += androidboot.hardware=enchilada
+
+# Image Configuration
+BOARD_SYSTEMIMAGE_PARTITION_SIZE   := 2998927360
+BOARD_USERDATAIMAGE_PARTITION_SIZE := 57453555712