Bluetooth: Remove unused hci_le_ltk_reply()

commit e10b9969f217c948c5523045f44eba4d3a758ff0 upstream.

In this API, we were using sizeof operator for an array
given as function argument, which is invalid.
However this API is not used anywhere.

Signed-off-by: Syam Sidhardhan <s.syam@samsung.com>
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

diff --cc include/net/bluetooth/hci_core.h
Simple merge

diff --cc net/bluetooth/hci_conn.c
Simple merge