Revert "libnewblue: Pass connection parameters to hci"

This reverts commit 6cbeb47033fce078ca7796dd66caee6c5b2e377a.

Reason for revert: causing b:144183487.

Original change's description:
> libnewblue: Pass connection parameters to hci
>
> Take the connection parameters from Bluetooth/device and pass them all
> the way down to the hci level. This change will have no effect to so
> far, connection parameters passed down will be ignored.
>
> BUG=b:141929301
> TEST=build and manual test
>
> Cq-Depend: chromium:1834748
> Change-Id: Icfe4bcaa8c371360fb318ce6f1cf93b94971abd6

Bug: b:141929301
Cq-Depend: chromium:1907303
Change-Id: Ib456dec5e1d4acbcaa1e46498d70b8571d303666
8 files changed