Remove reading ART jars when passing boot.zip.

Since currently the ART jars are part of `/dex_bootjars_input` in the
boot.zip file.

Bug: 322947660
Test: Local run using `./art/tools/boot-image-profile-generate.sh frameworks/base/boot boot.zip preloaded-classes-denylist android.prof`
Change-Id: Ie749d647a746cabd0f33dce19fa1d83d6339849e
1 file changed