refactor(x/gov): remove gov vote and proposal based telemetry (backport #17910)

[mergify]

This is an automatic backport of pull request #17910 done by Mergify.
Cherry-pick of 5e53fb2 has failed:

On branch mergify/bp/release/v0.47.x/pr-17910
Your branch is up to date with 'origin/release/v0.47.x'.

You are currently cherry-picking commit 5e53fb224.
  (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)

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   CHANGELOG.md
	both modified:   x/gov/keeper/msg_server.go

no changes added to commit (use "git add" and/or "git commit -a")

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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