Revert "Bluetooth: hci_qca: Add support for QTI Bluetooth chip wcn6855"

This reverts commit e5383662 which is
commit 095327fe upstream.

It breaks the Android kernel abi and can be brought back in the future
in an abi-safe way if it is really needed.

Bug: 161946584
Change-Id: I705d791c9553d22c3c1d286c6c77ead07e0b1428
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>