delete_preferred_direction

delete_preferred_direction_region
{-name s_regionName | -all}

Removes the named preferred direction region or all preferred direction regions.

`-all`	Removes all existing preferred direction regions in the current cellview.
`-name` s_regionName	Specifies the name for the preferred direction region.

The following removes the regionA preferred direction region.

delete_preferred_direction_region -name regionA