Take a copy of the file and drop it into the corporate WDIR. Then edit it with a text editor to delete lines that are not necessary. See also this thread DxDesigner: Disable "RePackage All Symbols" packager option
Keep the header of the DxDesigner.xml file and just keep the lines you need, something like this:
<DxDesigner_Configuration_file version="1.2" name="DxDesigner.xml">
<key name="Operation" value="0" readonly="1"/>
You will probably have more settings than this, but it illustrates the point.