Bluetooth: Host: Doc fixup for rename of BT_SECURITY_L*

BT_SECURITY_LOW and etc. were previously renamed and are no longer
valid.

The original rename is in the following commits:
1c48757d9489e59ef77c8f1e565e2164716abfdd (New names, deprecate old)
5f2a9ba8e40ecbb1a97d2f1fbf164f168eb27c55 (Remove deprecated names)

Signed-off-by: Aleksander Wasaznik <aleksander.wasaznik@nordicsemiconductor.no>
2 files changed