It's probably not worth it unless you already have the cdlc making tools and know how to use them since it's a fair bit of work. I'd just use rstotab and learn it the old fashioned way.
If you're dead set on it tho you'd need the rstoolkit and EOF
Import the psarc in the toolkit
Open the DDC tab and select the .xml files in the EOF sub folder of the extracted cdlc folder
Change the ramp up model to "ddc_dd_remover", tick overwrite original file and click remove dd
Open eof and click file, import rocksmith. Select the xml file you removed DD from.
Go to where you want the s