Removed the temporary commenting out of the Optimizer, which was done for

debugging purposes.

src/osgUtil/Optimizer.cpp

@@ -22,8 +22,6 @@ using namespace osgUtil;
 void Optimizer::optimize(osg::Node* node, unsigned int options)
 {
 
-    return;
-
     if (options & COMBINE_ADJACENT_LODS)
     {
         CombineLODsVisitor clv;