Remove deprecated notification components

[amelako]

Purpose

In #1437 we deprecated the old Notification components and InlineMessage.
In v5 we are removing deprecated components.

Approach and changes

• Remove Notification, NotificationCard, NotificationList and InlineMessage.

Definition of done

• Development completed
• Reviewers assigned
• Unit and integration tests
• Meets minimum browser support
• Meets accessibility requirements

[sumup-clark]

Hey @amelako,
we are super excited that you are contributing! 🎉There's one more thing you need to do. Please accept our Contributor License Agreement. It helps you and us to collaborate on clear terms and focus on what we love most: code.

Thanks!

[changeset-bot]

🦋 Changeset detected

Latest commit: 07fe0eb

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@sumup/circuit-ui	Major

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[vercel]

This pull request is being automatically deployed with Vercel (learn more).
To see the status of your deployment, click below or on the icon next to each commit.

🔍 Inspect: https://vercel.com/sumup/oss-circuit-ui/hoBvX6N1QENLahEasvwqdWyFVzjB
✅ Preview: https://oss-circuit-ui-git-remove-old-notification-components.sumup-vercel.app

[codecov]

Codecov Report

Merging #1518 (07fe0eb) into canary (cfcbb76) will increase coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           canary    #1518      +/-   ##
==========================================
+ Coverage   92.48%   92.50%   +0.01%     
==========================================
  Files         201      197       -4     
  Lines        4189     4120      -69     
  Branches     1285     1263      -22     
==========================================
- Hits         3874     3811      -63     
+ Misses        296      290       -6     
  Partials       19       19              

[robinmetral]

👀 my browser had a weird bug and submitted my approval without my consent 😂

But looks good, and no need for the migration guide entry because it's there already ✨