Made MSCGEN_PATH obsolete now that mscgen code is part of doxygen

src/config.xml

@@ -3248,17 +3248,6 @@ where `loc1` and `loc2` can be relative or absolute paths or URLs.
  super classes. Setting the tag to \c NO turns the diagrams off. Note that
  this option also works with \ref cfg_have_dot "HAVE_DOT" disabled, but it is recommended to
  install and use \c dot, since it yields more powerful graphs.
-]]>
-      </docs>
-    </option>
-    <option type='string' id='MSCGEN_PATH' format='dir' defval=''>
-      <docs>
-<![CDATA[
- You can define message sequence charts within doxygen comments using the \ref cmdmsc "\\msc"
- command. Doxygen will then run the <a href="http://www.mcternan.me.uk/mscgen/">mscgen tool</a>) to
- produce the chart and insert it in the documentation. The <code>MSCGEN_PATH</code> tag allows you to
- specify the directory where the \c mscgen tool resides. If left empty the tool is assumed to
- be found in the default search path.
 ]]>
       </docs>
     </option>
@@ -3641,5 +3630,6 @@ remove the intermediate dot files that are used to generate the various graphs.
     <option type='obsolete' id='XML_SCHEMA'/>
     <option type='obsolete' id='XML_DTD'/>
     <option type='obsolete' id='PERL_PATH'/>
+    <option type='obsolete' id='MSCGEN_PATH'/>
   </group>
 </doxygenconfig>

src/configimpl.l

@@ -1565,30 +1565,6 @@ void Config::checkAndCorrect()
     dotPath="";
   }
 
-  // check mscgen path
-  QCString &mscgenPath = ConfigImpl_getString("MSCGEN_PATH");
-  if (!mscgenPath.isEmpty())
-  {
-    QFileInfo dp(mscgenPath+"/mscgen"+portable_commandExtension());
-    if (!dp.exists() || !dp.isFile())
-    {
-      warn_uncond("the mscgen tool could not be found at %s\n",mscgenPath.data());
-      mscgenPath="";
-    }
-    else
-    {
-      mscgenPath=dp.dirPath(TRUE).utf8()+"/";
-#if defined(_WIN32) // convert slashes
-      uint i=0,l=mscgenPath.length();
-      for (i=0;i<l;i++) if (mscgenPath.at(i)=='/') mscgenPath.at(i)='\\';
-#endif
-    }
-  }
-  else // make sure the string is empty but not null!
-  {
-    mscgenPath="";
-  }
-
   // check plantuml path
   QCString &plantumlJarPath = ConfigImpl_getString("PLANTUML_JAR_PATH");
   if (!plantumlJarPath.isEmpty())