Remove ro.product.vndk.version property

Product modules no longer use vndk libraries but install them to
/product/lib[64].

Test: lunch cf_x86_64_phone-next-userdebug; m
Test: atest GtsVndkDependencyTestCases
Bug: 299867815
Bug: 302255959
Change-Id: I67614457c83f0f18eba7dc1d8259efeb5795807b