I would leave what's relevant for the job you want. Anything you feel rusty in, leave it off. You can always mention in passing in interview you've dabbled with other languages.
The bad part about listing so many is it's hard to tell on paper what you're passionate about and what you're strong in.
Great, I made some changes to leave off the few languages I was weakest in. I also took for OS’s and replaced them with IDE’s because it seemed more relevant. Do you think this is a good move?
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