fix: Remove mailer lite

[zachaysan]

Changes

Removing mailer lite from the codebase since it has been deprecated.

How did you test this code?

Relying on existing test suite to handle failures.

[vercel]

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3 Skipped Deployments

Name	Status	Preview	Comments	Updated (UTC)
docs	⬜️ Ignored (Inspect)	Visit Preview		Oct 9, 2024 1:53pm
flagsmith-frontend-preview	⬜️ Ignored (Inspect)			Oct 9, 2024 1:53pm
flagsmith-frontend-staging	⬜️ Ignored (Inspect)			Oct 9, 2024 1:53pm

[github-actions]

Docker builds report

Image	Build Status	Security report
ghcr.io/flagsmith/flagsmith-api-test:pr-4705	Finished ✅	Skipped
ghcr.io/flagsmith/flagsmith-api:pr-4705	Finished ✅	Results ✅
ghcr.io/flagsmith/flagsmith-frontend:pr-4705	Finished ✅	Results ✅
ghcr.io/flagsmith/flagsmith:pr-4705	Finished ✅	Results ✅
ghcr.io/flagsmith/flagsmith-private-cloud:pr-4705	Finished ✅	Results ✅

[github-actions]

Uffizzi Ephemeral Environment deployment-57046

☁️ https://app.uffizzi.com/github.com/Flagsmith/flagsmith/pull/4705

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.21%. Comparing base (cd13caa) to head (41992f2).
Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff            @@
##             main    #4705    +/-   ##
========================================
  Coverage   97.21%   97.21%            
========================================
  Files        1171     1169     -2     
  Lines       40651    40474   -177     
========================================
- Hits        39517    39345   -172     
+ Misses       1134     1129     -5     

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[matthewelwell]

Looks good, but I think there's an environment variable that we can still remove in the production task definition here.

[zachaysan]

Looks good, but I think there's an environment variable that we can still remove in the production task definition here.

Nice catch @matthewelwell I've removed the env var.