Remove mentions of the mcd(4), scd(4), and si(4) drivers.

Relnotes:	yes

release/doc/en_US.ISO8859-1/hardware/article.xml

@@ -771,24 +771,10 @@
 	    SoundBlaster SCSI) (&man.cd.4;)</para>
 	</listitem>
 
-	<listitem>
-	  <para>[&arch.i386;] Sony proprietary interface (all models)
-	    (&man.scd.4;)</para>
-	</listitem>
-
 	<listitem>
 	  <para>ATAPI IDE interface (&man.acd.4;)</para>
 	</listitem>
       </itemizedlist>
-
-      <para>[&arch.i386;] The following device is unmaintained:</para>
-
-      <itemizedlist>
-	<listitem>
-	  <para>Mitsumi proprietary CD-ROM interface (all models)
-	    (&man.mcd.4;)</para>
-	</listitem>
-      </itemizedlist>
     </sect2>
 
     <sect2 xml:id="ethernet">
@@ -1235,13 +1221,6 @@
 
       &hwlist.rc;
 
-      <para>[&arch.i386;, &arch.amd64;] Specialix SI/XIO/SX multiport
-	serial cards, with both the older SIHOST2.x and the
-	<quote>enhanced</quote> (transputer based, aka JET) host cards
-	(ISA, EISA and PCI) are supported.  Note that the newer SX+
-	PCI cards are not currently supported.  (&man.si.4;
-	driver)</para>
-
       <para>[&arch.pc98;] Internel serial interfaces (&man.sio.4;
 	driver)</para>