Remove unused btm_read_remote_version_complete_raw am: a03c00d0

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2103266



Change-Id: I1bc3d25fcd8f7d71144320a079c73a7f85f7c54d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>