hci_bdaddr_list_del_with_flags() was added in 2020's commit8baaa4038e("Bluetooth: Add bdaddr_list_with_flags for classic whitelist") but has remained unused. hci_remove_ext_adv_instance() was added in 2020's commiteca0ae4aea("Bluetooth: Add initial implementation of BIS connections") but has remained unused. Remove them. Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>