Removed ftgl and freetype from build documentation. They are not required anymore to render text.

git-svn-id: http://www.openflipper.org/svnrepo/OpenFlipper/branches/Free@14712 383ad7c9-94d9-4d36-a494-682f7c89f535

Documentation/DeveloperHelpSources/building.docu

@@ -16,8 +16,6 @@ OpenFlipper.
 
 \section optlibs Optional libraries ( Without these libraries some functionality might not be available) 
 <ul>
-<li> freetype2    ( optional, used for rendering text in the scene, http://www.freetype.org/freetype2/index.html )</li> 
-<li> ftgl         ( optional, used for rendering text in the scene, http://sourceforge.net/projects/ftgl/)</li>
 <li> QWT (>=6.0)  ( optional, used for histogram plottings, http://qwt.sourceforge.net/)</li>
 </ul> 
 
@@ -121,7 +119,6 @@ and generating the Visual Studio solution file. Choose then build type "Release"
      cmake<br />
 br />
      As additional ports we recommend the following<br />
-     ftgl<br />
      fftw-3<br />
      qwt-60 +debug +qt4<br />
      subversion<br />