Removing Extra languages and other fluff

I'm in the process of trying to get High Sierra Public Beta installed onto my rig. The only problem is that my USB ports don't work, so I'm trying to make a DVD bootable ISO to get it all going. Once I make a bootable image with Clover on it etc, how can I remove all the extra crap like the extra languages etc to cut down on filesize so I can burn to a standard 4.7 GB DVD-R?

submitted by /u/shiggitay
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