Disables a previosuly added attribute.
Use the CoglPrimitive api instead
Since it can be costly to add and remove new attributes to buffers; to make individual buffers more reuseable it is possible to enable and disable attributes before using a buffer for drawing.
You don't need to call submit after using this function.
| attribute_name |
The name of the attribute you want to disable |
| handle |
A vertex buffer handle |