Revert "python3Packages.pika: add gevent to checkInputs"

[dotlambda]

Reverts #122229
Earlier PRs have priority: #122170

[r-rmcgibbo]

Result of nixpkgs-review pr 122317 at 304f146 run on aarch64-linux 1

4 packages failed to build:

• python38Packages.pika
• python38Packages.pika-pool
• python39Packages.pika
• python39Packages.pika-pool

1 suggestion:

• warning: maintainers-missing

  Package does not have a maintainer. Consider adding yourself?

  Near pkgs/development/python-modules/pika/default.nix:21:3:

     |
  21 |   meta = with lib; {
     |   ^
  

Note that build failures may predate this PR, and could be nondeterministic or hardware dependent.
Please exercise your independent judgement. Does something look off? Please file an issue or reach out on IRC.

---

Result of nixpkgs-review pr 122317 at 304f146 run on x86_64-linux 1

4 packages failed to build:

• python38Packages.pika
• python38Packages.pika-pool
• python39Packages.pika
• python39Packages.pika-pool

1 suggestion:

• warning: maintainers-missing

  Package does not have a maintainer. Consider adding yourself?

  Near pkgs/development/python-modules/pika/default.nix:21:3:

     |
  21 |   meta = with lib; {
     |   ^
  

Note that build failures may predate this PR, and could be nondeterministic or hardware dependent.
Please exercise your independent judgement. Does something look off? Please file an issue or reach out on IRC.

[prusnak]

Closing this one in favor of #122170 which has been rebased on top of the current master.

Merging this one will cause yet another hassle in #122170