internal/postgres: remove a fully retracted module from search

If all the versions of a module have been retracted, remove it
from the search_documents table so it doesn't appear in search.

Also remove it from the imports_unique table so it doesn't contribute
to the imported-by counts of other modules.

For golang/go#47590

Change-Id: I76a6e33a1291abe4a19f1b3521c9dc8ebed4f110
Reviewed-on: https://go-review.googlesource.com/c/pkgsite/+/341591
Trust: Jonathan Amsterdam <jba@google.com>
Run-TryBot: Jonathan Amsterdam <jba@google.com>
TryBot-Result: kokoro <noreply+kokoro@google.com>
Reviewed-by: Julie Qiu <julie@golang.org>
2 files changed
tree: 39bc933976093433438f5d12f7055dd72bec97bd
  1. cmd/
  2. devtools/
  3. doc/
  4. internal/
  5. migrations/
  6. static/
  7. tests/
  8. third_party/
  9. .dockerignore
  10. .eslintignore
  11. .eslintrc.yaml
  12. .gitignore
  13. .prettierignore
  14. .prettierrc.yaml
  15. .stylelintignore
  16. .stylelintrc.yaml
  17. all.bash
  18. cloudbuild.yaml
  19. CONTRIBUTING.md
  20. go.mod
  21. go.sum
  22. jest.config.js
  23. LICENSE
  24. package-lock.json
  25. package.json
  26. PATENTS
  27. README.md
  28. tsconfig.json
README.md

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