Correct PRODUCT_USE_FASTBOOTD USAGE

Remove all usage of flag PRODUCT_USE_FASTBOOTD
as it will not be set when these files are processed
by the build system.

Bug: 78793464
Test: make bootimage and check for fastbootd binary in recovery
Change-Id: I371a6d2beddeb54a88281934b54b8c61ead12d4f