refactor(osmoutils): remove redundant ctx param from DeleteAllKeysFromPrefix (backport #6510)

[mergify]

This is an automatic backport of pull request #6510 done by Mergify.
Cherry-pick of 540c8c9 has failed:

On branch mergify/bp/v19.x/pr-6510
Your branch is up to date with 'origin/v19.x'.

You are currently cherry-picking commit 540c8c98.
  (fix conflicts and run "git cherry-pick --continue")
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Changes to be committed:
	modified:   CHANGELOG.md
	modified:   osmoutils/go.mod
	modified:   osmoutils/store_helper.go
	modified:   x/gamm/keeper/migrate.go

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   go.mod
	both modified:   go.sum
	both modified:   osmoutils/go.sum
	both modified:   tests/cl-genesis-positions/go.mod
	both modified:   tests/cl-genesis-positions/go.sum
	both modified:   tests/cl-go-client/go.mod
	both modified:   tests/cl-go-client/go.sum
	both modified:   x/epochs/go.mod
	both modified:   x/epochs/go.sum
	both modified:   x/ibc-hooks/go.mod
	both modified:   x/ibc-hooks/go.sum

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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