Bug 194843 Cross tab Cube - Cannot delete a dimension using the cube builder
- Open the attached report design - Delete the "Region" group. Current behavior - Does now allow me to delete the group.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/command/ContentCommand.java
* @param obj
	 *            the element to clean up
	 * @throws UserPropertyException
	 *             if an error occurs, but the operation should not fail under
	 *             normal conditions
	 */
	private void dropUserProperties( DesignElement obj )
			throws UserPropertyException
	{
		Collection props = obj.getLocalUserProperties( );
		if ( props != null )
		{
			UserPropertyCommand propCmd = new UserPropertyCommand( module, obj );
			Iterator iter = props.iterator( );
			while ( iter.hasNext( ) )
			{
				UserPropertyDefn prop = (UserPropertyDefn) iter.next( );
				propCmd.dropUserProperty( prop.getName( ) );
			}
		}
	}
	/**
	 * Moves an element from one slot to another at the specified position. The
	 * destination slot can be in the same element (unusual) or a different
	 * element (usual case). Use the other form of this method to move an
	 * element within the same slot.
	 * 
	 * @param content
	 *            the element to move.
	 * @param newPos