Feature/fdb 740 remove zfdb from fdb

[tbkr]

Description

Remove zfdb from fdb repository

Contributor Declaration

By opening this pull request, I affirm the following:

• All authors agree to the Contributor License Agreement.
• The code follows the project's coding standards.
• I have performed self-review and added comments where needed.
• I have added or updated tests to verify that my changes are effective and functional.
• I have run all existing tests and confirmed they pass.

🌈🌦️📖🚧 Documentation FDB 🚧📖🌦️🌈
https://sites.ecmwf.int/docs/fdb/pull-requests/PR-353

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 76.81%. Comparing base (7d88671) to head (00c872d).

Additional details and impacted files

@@                           Coverage Diff                           @@
##           hotfix/remove-chunked-data-view-dep     #353      +/-   ##
=======================================================================
- Coverage                                77.36%   76.81%   -0.55%     
=======================================================================
  Files                                      410      378      -32     
  Lines                                    27391    25944    -1447     
  Branches                                  2708     2583     -125     
=======================================================================
- Hits                                     21190    19928    -1262     
+ Misses                                    6201     6016     -185     

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.