name: format2
format: 2
summary: "Sample charm described in format 2"
description: |
        That's a boring charm that is described in
        terms of format 2.
categories: ["database"]

name: categories
summary: "Sample charm with a category"
description: |
        That's a boring charm that has a category.
categories: ["database"]

Remove references to format 2.
Remove references to format 2.