Revert "New target to add vndk-sp libs to system image"

Revert by Build Cop. This change is causing build failures across builders and branches, e.g.:

ninja: error: 'out/target/product/generic_x86/obj/lib/android.hidl.base@1.0.so', needed by 'checkbuild', missing and no known rule to make it
09:08:08 ninja failed with: exit status 1

This reverts commit c93eb93a.

Change-Id: Iead4de6bf0ed32f668a7e3561c18e169a173ea8f