Some Customizer-related files contain inline comments referencing work to do for #42364 for 5.0. Those comments are now outdated as #42364 was moved to the 5.1 milestone.
Merges [43887] to trunk.
Props dlh, pento.
Fixes#45115.
git-svn-id: https://develop.svn.wordpress.org/trunk@44228 602fd350-edb4-49c9-b593-d223f7449a82