Removed misleading line from convert_obj_three.py help output. "Can have more than 65,535 edges" is not a limitation).

utils/exporters/convert_obj_three.py

@@ -75,8 +75,6 @@ Current limitations
     - for the moment, only diffuse color and texture are used 
       (will need to extend shaders / renderers / materials in Three)
      
-    - models can have more than 65,536 vertices
-       
     - texture coordinates can be wrong in canvas renderer
       (there is crude normalization, but it doesn't
        work for all cases)