How to remove apps on iPhone from not on this iPhone in itunes?

Sorry if this question is a bit confusing. But I have an iPhone 6 that had 26 gb of data and I need some room. This is when you go to the App Store> updates> purchased> not on this iPhone. All these apps are taking up too much room and I just want to delete them. Can anyone help of you can even understand what IIm asking for?

Open iTunes and go to iTunes store, enter the purchased list, then you can at least remove the apps from the list.

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