Remove old content and add dummy PR note

[bmarty]

This PR should be able to build the enterprise module.

[github-actions]

Thank you for your contribution! Here are a few things to check in the PR to ensure it's reviewed as quickly as possible:

• If your pull request adds a feature or modifies the UI, this should have an equivalent pull request in the Element X iOS repo unless it only affects an Android-only behaviour or is behind a disabled feature flag, since we need parity in both clients to consider a feature done. It will also need to be approved by our product and design teams before being merged, so it's usually a good idea to discuss the changes in a Github issue first and then start working on them once the approach has been validated.
• Your branch should be based on origin/develop, at least when it was created.
• The title of the PR will be used for release notes, so it needs to describe the change visible to the user.
• The test pass locally running ./gradlew test.
• The code quality check suite pass locally running ./gradlew runQualityChecks.
• If you modified anything related to the UI, including previews, you'll have to run the Record screenshots GH action in your forked repo: that will generate compatible new screenshots. However, given Github Actions limitations, it will prevent the CI from running temporarily, until you upload a new commit after that one. To do so, just pull the latest changes and push an empty commit.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 80.54%. Comparing base (da85c5f) to head (7fb4933).
⚠️ Report is 1 commits behind head on feature/bma/buildEnterprise.

Additional details and impacted files

@@                       Coverage Diff                       @@
##           feature/bma/buildEnterprise    #7119      +/-   ##
===============================================================
- Coverage                        80.54%   80.54%   -0.01%     
===============================================================
  Files                             2689     2689              
  Lines                            76433    76433              
  Branches                         10291    10291              
===============================================================
- Hits                             61566    61560       -6     
- Misses                           10933    10939       +6     
  Partials                          3934     3934              

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