fix: remove migration banner

[fmorency]

This pull request includes a small change to the src/views/layout/app-nav.tsx file. The change comments out the MigrationBanner component, effectively removing it from the application navigation layout.

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[Copilot]

Pull Request Overview

This PR removes the MigrationBanner component from the application navigation layout by commenting out both its import and usage.

• Removes the MigrationBanner import.
• Comments out the MigrationBanner component in the JSX.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 45.67%. Comparing base (453c3d6) to head (b018eb7).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #175      +/-   ##
==========================================
+ Coverage   45.61%   45.67%   +0.06%     
==========================================
  Files         122      122              
  Lines        3229     3229              
  Branches      897      897              
==========================================
+ Hits         1473     1475       +2     
+ Misses       1741     1740       -1     
+ Partials       15       14       -1     

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