Removed 12 year old workaround that is no longer required and was causing a misleading info message  "OpenGL extension '' is not supported." to be reported.
Removed 12 year old workaround that is no longer required and was causing a misleading info message  "OpenGL extension '' is not supported." to be reported.

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