Consulting: remove some dead entries

- advansys's website is non-existant

- ALE Software's website is unrelated to BSD/Linux consulting

- mindstep's website does not resolve (two checks). Google shows no
  alternative.

- Mseuss Unternehmensberatung's website resolves to a ad/gambling
  website.

- OpenTrend's website does not resolve. Google shows no alternative.

share/xml/commercial.consult.xml

@@ -33,21 +33,6 @@
     </description>
   </entry>
 
-  <entry id="Advance" category="namerica">
-    <name>Advance Systems Group</name>
-    <url>http://www.advansys.net/</url>
-    <description>
-      Advance Systems Group builds, administrates, and maintains
-      Intranet/Internet networks using FreeBSD and other UNIX
-      operating systems.  ASG also provides a variety of other
-      services including domain name hosting, web site construction,
-      and software training.  For more information, please phone us at
-      +1.317.507.4229, e-mail
-      <a href="mailto:sales@advansys.net">sales@advansys.net</a>, or
-      <a href="http://www.advansys.net/">visit our web site</a>.
-    </description>
-  </entry>
-
   <entry id="ateamsystems" category="namerica">
     <name>A-Team Systems</name>
     <url>http://www.ateamsystems.com/</url>
@@ -63,19 +48,6 @@
     </description>
   </entry>
 
-  <entry id="ALE" category="europe">
-    <name>ALE Software</name>
-    <url>http://linux.wroclaw.pl/</url>
-    <description>
-      We offer IT consulting, systems integration and corporate
-      information systems based on BSD software.  For more
-      information, email
-      <a href="mailto:admin@linux.wroclaw.pl">admin@linux.wroclaw.pl</a>
-      or visit our <a href="http://linux.wroclaw.pl">website</a>.  We
-      operate mostly in Eastern Europe (Poland).
-    </description>
-  </entry>
-
   <entry id="Adminia" category="europe">
     <name>Adminia Sistemas</name>
     <url>http://www.adminia.es/</url>
@@ -469,17 +441,6 @@
     </description>
   </entry>
 
-  <entry id="MindStep" category="namerica">
-    <name>MindStep Corp.</name>
-    <url>http://www.mindstep.com/</url>
-    <description>
-      MindStep Corp. configure and maintain Intranet/Internet networks
-      using FreeBSD and other Unix operating systems.  MindStep also
-      offers products and provides software development services
-      customized to fit the needs of corporations of any size.
-    </description>
-  </entry>
-
   <entry id="myserver.bg" category="europe">
     <name>myserver.bg</name>
     <url>https://myserver.bg/en</url>
@@ -990,21 +951,6 @@
     </description>
   </entry>
 
-  <entry id="OpenTrend" category="namerica">
-    <name>OpenTrend Solutions Ltd</name>
-    <url>http://www.opentrend.net</url>
-    <description>
-      OpenTrend Solutions Ltd provides consulting and facilities
-      management services through Canada.  We specialize in supporting
-      FreeBSD, NetBSD, OpenBSD and Linux, and have specialist skills
-      in system administration, security and network design &amp;
-      management.  We donate 2% of gross profits to the support of
-      open source software and have partnered with organisations in
-      the United States and Australia to better support multi-national
-      clients.
-    </description>
-  </entry>
-
   <entry id="Xetpoint" category="europe">
     <name>Xetpoint</name>
     <url>http://www.xetpoint.fi/</url>
@@ -1165,24 +1111,6 @@
     </description>
   </entry>
 
-  <entry id="mseuss" category="europe">
-    <name>Mseuss Unternehmensberatung</name>
-    <url>http://www.msuess.de</url>
-    <description>
-      Msuess Unternehmensberatung is a consulting company based in
-      Schwandorf (near Regensburg), Germany.  As a consulting / isv
-      partner we are developing web-portals (using Python and
-      ZOPE/Plone on FreeBSD) and developing individual solutions
-      (Python, Tcl/tk, ADA) on FreeBSD.  We also provide ZOPE
-      administration and consulting on FreeBSD and other *ix-like
-      systems.  We are the main sponsor of the German
-      <a href="http://www.freeunix.de/">ix-wiki</a>.  For more
-      information please contact
-      <a href="mailto:freebsd@msuess.de">freebsd@msuess.de</a> or
-      visit our <a href="http://www.msuess.de/">website</a>.
-    </description>
-  </entry>
-
   <entry id="ceintec" category="europe">
     <name>Ceintec</name>
     <url>http://www.ceintec.com</url>