Try this… Unzip and double-click the .dtSmartRule to install it, noting you’ll need to target the Evernote group specifically.
Clean Evernote Imports.dtSmartRule.zip (1.3 KB)
However, I suggest running this on a duplicate with some groups and some loose files too before running it on the actual Evernote group. It should be safe since it’s looking for formatted notes with exactly one link, but it’s always best to test first. It works here as expected.