Cleaned up osgshaderpipeline removing functionality now automatically provided in the core OSG
Cleaned up osgshaderpipeline removing functionality now automatically provided in the core OSG

scrawl/osg,scrawl/osg,openscenegraph/osg,scrawl/osg,openscenegraph/osg,openscenegraph/osg,openscenegraph/osg,scrawl/osg