Can we git rid of our "Editor modelines" boilerplate?

Summary

We currently provide indentation hints using both modelines and .editorconfig files. It would be nice if we could drop the modelines, which add a noticeable amount of boilerplate to our source files.

Details

The modelines were added years ago, before EditorConfig existed. According to the EditorConfig home page, most editors either support .editorconfig files out of the box (Visual Studio) or can do so using a plugin (Emacs, Vim, Visual Studio Code). The one notable outlier seems to be Qt Creator, but it doesn't support modelines either.

Is there any reason we shouldn't add "make sure your editor supports EditorConfig" to the setup sections of the Developer's Guide and start dropping our modeline stanzas?