Remove product_services rules if it's merged away

TARGET_COPY_OUT_PRODUCT_SERVICES can be equal to
TARGET_COPY_OUT_PRODUCT, in which case the ld.config
lines containing PRODUCT_SERVICES are redundant.

Test: make and diff
Change-Id: I1dc24eb49d37f1ab0faa6eecdb0ccc974321f4ac
1 file changed