ROUTINE
-------

void ug_io_free_2d_node (DOUBLE_2D * Coordinates,
                         DOUBLE_1D * Spacing,
                         DOUBLE_3D * Metric)

DESCRIPTION
-----------

Free 2D node data arrays.

INPUT ARGUMENTS
---------------

Coordinates              : Node coordinates.

Spacing                  : Node spacing.

Metric                   : Node 2D symmetric metric.
