sm8450-common: Remove elf files in copy files check

New extract files uses packages instead of copy files

Change-Id: I337c07d13bd350958d4808e1693cc6e03753a96c

BoardConfigCommon.mk

@@ -10,7 +10,6 @@ include vendor/xiaomi/sm8450-common/BoardConfigVendor.mk
 COMMON_PATH := device/xiaomi/sm8450-common
 
 BUILD_BROKEN_DUP_RULES := true
-BUILD_BROKEN_ELF_PREBUILT_PRODUCT_COPY_FILES := true
 
 # A/B
 AB_OTA_UPDATER := true