Revert "Run `apt-get update` on apt_repository updates"

Fixed in apt cookbook v1.8.2.

This reverts commit 5792bbdacb620a6f45417cf9f3424ae428a3e746.
Test with latest v11 and v10 Chef releases
Move issue links to footnotes in the changelog
Release v1.1.2

- Use `apt_preference` resource to create the repo pinning rule
- Remove the `apt-get update` workaround (#3)
- Add foodcritic and Knife cookbook tests
- Test with latest Chef 10 and 11 releases on Travis