Deletes a specified Amazon Redshift parameter group.
You cannot delete a parameter group if it is associated with a cluster.
redshift_delete_cluster_parameter_group(ParameterGroupName)
[required] The name of the parameter group to be deleted.
Constraints:
Must be the name of an existing cluster parameter group.
Cannot delete a default cluster parameter group.
svc$delete_cluster_parameter_group( ParameterGroupName = "string" )