Remove Unused/Broken String Resources

[MisterRager]

There are some inconsistencies between the string sets recently committed. Fortunately, none of the broken strings are referenced in code, so I've just trimmed them out.

Pull Request Checklist

• [x] Changes has been tested on an Android device or Android emulator with API 16
• [x] ~UI change has been tested on both light and dark themes~
• [x] Pull request is based on the develop branch
• [x] Pull request updates CHANGES.rst
• [x] ~Pull request includes screenshots or videos if containing UI changes~
• [x] Pull request includes a sign off

Obligatory API 16 run:

[MisterRager]

Does this warrant CHANGES.rst? I figured the rest were moot.