docs: admin-guide: Move edid.rst from driver-api

This document describes actions that an admin can do, rather than
interfaces available to driver developers, so admin-guide seems to
be a more appropriate place for it.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

Documentation/admin-guide/index.rst

@@ -75,6 +75,7 @@ configure specific aspects of kernel behavior to your liking.
    cputopology
    dell_rbu
    device-mapper/index
+   edid
    efi-stub
    ext4
    nfs/index

Documentation/driver-api/index.rst

@@ -74,7 +74,6 @@ available subsections can be seen below.
    connector
    console
    dcdbas
-   edid
    eisa
    ipmb
    isa