perf(database): reuse document revision for deletes

[histrio]

Fix #113

[codecov-commenter]

⚠️ Please install the to ensure uploads and comments are reliably processed by Codecov.

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.44%. Comparing base (f7b6184) to head (ac03a7d).
❗ Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #120      +/-   ##
==========================================
+ Coverage   90.39%   90.44%   +0.04%     
==========================================
  Files           9        9              
  Lines         791      795       +4     
==========================================
+ Hits          715      719       +4     
  Misses         76       76              

Flag	Coverage Δ
unittests	90.44% <100.00%> (+0.04%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ 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.