Removed old style OpenGL methods from PrimitiveFunctor classes/templates as these are no longer used or required.

include/osg/TriangleIndexFunctor

@@ -49,25 +49,6 @@ public:
     {
     }
 
-    virtual void begin(GLenum mode)
-    {
-        _modeCache = mode;
-        _indexCache.clear();
-    }
-
-    virtual void vertex(unsigned int vert)
-    {
-        _indexCache.push_back(vert);
-    }
-
-    virtual void end()
-    {
-        if (!_indexCache.empty())
-        {
-            drawElements(_modeCache,_indexCache.size(),&_indexCache.front());
-        }
-    }
-
     virtual void drawArrays(GLenum mode,GLint first,GLsizei count)
     {
         switch(mode)
@@ -334,9 +315,6 @@ public:
                 break;
         }
     }
-
-    GLenum               _modeCache;
-    std::vector<GLuint>  _indexCache;
 };
 
 }