v1.16: geyser: remove startup_status (backport of #230)

[mergify]

This is an automatic backport of pull request #230 done by Mergify.
Cherry-pick of 8f1cc8b has failed:

On branch mergify/bp/v1.16/pr-230
Your branch is up to date with 'origin/v1.16'.

You are currently cherry-picking commit 8f1cc8b.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   CHANGELOG.md
	modified:   yellowstone-grpc-client-nodejs/package.json
	modified:   yellowstone-grpc-geyser/src/plugin.rs

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   Cargo.lock
	both modified:   Cargo.toml
	both modified:   examples/rust/Cargo.toml
	both modified:   yellowstone-grpc-client/Cargo.toml
	both modified:   yellowstone-grpc-geyser/Cargo.toml
	both modified:   yellowstone-grpc-proto/Cargo.toml
	both modified:   yellowstone-grpc-tools/Cargo.toml

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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