FP5: Remove elf files in copy files check

New extract files uses packages instead of copy files

Change-Id: I337c07d13bd350958d4808e1693cc6e03753a96c
diff --git a/BoardConfig.mk b/BoardConfig.mk
index 2eebd3b..37a1270 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -4,7 +4,6 @@
 #
 
 BUILD_BROKEN_DUP_RULES := true
-BUILD_BROKEN_ELF_PREBUILT_PRODUCT_COPY_FILES := true
 
 DEVICE_PATH := device/fairphone/FP5