Bluetooth: hci_event: Remove code to removed CONFIG_BT_HS

[ Upstream commit f4b0c2b4 ]

Commit cec9f3c5561d ("Bluetooth: Remove BT_HS") removes config BT_HS, but
misses two "ifdef BT_HS" blocks in hci_event.c.

Remove this dead code from this removed config option.

Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Stable-dep-of: 7967dc8f ("Bluetooth: hci_core: Fix calling mgmt_device_connected")
Signed-off-by: Sasha Levin <sashal@kernel.org>