remove unused notification data

[legobeat]

Description

Free up 250kB of bundle data by removing unused static asset.

This is the first of a series of removals.

Past discussion and further context: #20703 (review)

Manual testing steps

1. Go to this page...

Screenshots/Recordings

Before

After

Pre-merge author checklist

• I’ve followed MetaMask Coding Standards.
• I've clearly explained what problem this PR is solving and how it is solved.
• I've linked related issues
• I've included manual testing steps
• I've included screenshots/recordings if applicable
• I’ve included tests if applicable
• I’ve documented my code using JSDoc format if applicable
• I’ve applied the right labels on the PR (see labeling guidelines).
• I’ve properly set the pull request status:
  • In case it's not yet "ready for review", I've set it to "draft".
  • In case it's "ready for review", I've changed it from "draft" to "non-draft".

Pre-merge reviewer checklist

• I've manually tested the PR (e.g. pull and build branch, run the app, test code being changed).
• I confirm that this PR addresses all acceptance criteria described in the ticket it closes and includes the necessary testing evidence such as recordings and or screenshots.

[github-actions]

CLA Signature Action: All authors have signed the CLA. You may need to manually re-run the blocking PR check if it doesn't pass in a few minutes.

[HowardBraham]

You can go further, if you want to. Every notification from 1 to 22 (except 8 and 20) is dead.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (1984f31) 68.44% compared to head (1a808ac) 68.53%.

❗ Current head 1a808ac differs from pull request most recent head 05fc655. Consider uploading reports for the commit 05fc655 to get more accurate results

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #21533      +/-   ##
===========================================
+ Coverage    68.44%   68.53%   +0.09%     
===========================================
  Files         1052     1045       -7     
  Lines        41767    41616     -151     
  Branches     11135    11082      -53     
===========================================
- Hits         28584    28520      -64     
+ Misses       13183    13096      -87     

☔ View full report in Codecov by Sentry.
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[legobeat]

You can go further, if you want to. Every notification from 1 to 22 (except 8 and 20) is dead.

In the interest of minimizing review overhead and potential time-to-merge, I think this can be kept to one, and further removals can be submitted separately

[HowardBraham]

Closed because superseded by #22678