DocBook/media: Remove Satellites from Analog TV Tuners and Modulators

There were never any satellite support for analog, and adding it
right now doesn't make sense. For digital TV, this is already
covered at part II.

Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

Documentation/DocBook/v4l/common.xml

···
 ioctls when the tuner or modulator ioctls are supported, or
 when the device is a radio device.</para>
     </section>
-
-    <section>
-      <title>Satellite Receivers</title>
-
-      <para>To be discussed. See also <!-- private discussions of
-Peter Schlaf, BD & MHS on 23 Jun 1999 ff., subject "v4l2 and satellit" and -->
-proposals by Peter Schlaf, [e-mail] on 23 Oct 2002,
-subject: "Re: [V4L] Re: v4l2 api".</para>
-    </section>
   </section>
 
   <section id="standard">