Revert "GD HCI: Pipe VSEs up in shim layer"

This reverts commit fb838d54.

We prefer to keep the shim small and implement VSE
handling in btif, since it's mostly for logging.

Bug: 183057550
Test: Enable BQR events
Tag: #gd-refactor
Change-Id: I8f57c479eb57439f2ede486b645edc9b3975c25a