Remove sdk_version from libframesequence

Setting sdk_version on a product_specific module is a no-op, as it leads to not creating the product variant. Given that the module and its transitive dependencies should be installed to the product partition, this change removes the sdk_version property from the module.

Change-Id: Idb44d93a82f59ce9db32266a74375740474e7f7e
Test: CI
Bug: 376515714