public void clearBuffer(VertexBuffer.Type type) {
        VertexBuffer vb = buffers.remove(type.ordinal());
        if (vb != null) {
            buffersList.remove(vb);
            updateCounts();
        }
    }
Unsets the {@link VertexBuffer} set on this mesh
with the given type. Does nothing if the vertex buffer type is not set
initially.

@param type The buffer type to remove
jme3-core/src/main/java/com/jme3/scene/Mesh.java