chore: remove duplicate words

[lfgtwo]

Description

closes: #XXXX

---

Before we can merge this PR, please make sure that all the following items have been
checked off. If any of the checklist items are not applicable, please leave them but
write a little note why.

• Targeted PR against the correct branch (see CONTRIBUTING.md).
• Linked to GitHub issue with discussion and accepted design, OR link to spec that describes this work.
• Code follows the module structure standards and Go style guide.
• Wrote unit and integration tests.
• Updated relevant documentation (docs/).
• Added relevant godoc comments.
• Provide a conventional commit message to follow the repository standards.
• Include a descriptive changelog entry when appropriate. This may be left to the discretion of the PR reviewers. (e.g. chores should be omitted from changelog)
• Re-reviewed Files changed in the GitHub PR explorer.
• Review SonarCloud Report in the comment section below once CI passes.

[DimitrisJim]

Hm, can't tell why markdown link checker is messed up here?

[DimitrisJim]

Lgtm, will merge if markdown checker doesn't complain again.

[lfgtwo]

Lgtm, will merge if markdown checker doesn't complain again.

@DimitrisJim seems some .md check failed

ERROR: 1 dead links found!
[✖] https://github.com/cosmos/ibc-go/tree/main/.github/compatibility-test-matrices → Status: 404
(node:1527) [DEP0040] DeprecationWarning: The `punycode` module is deprecated. Please use a userland alternative instead.
(Use `node --trace-deprecation ...` to show where the warning was created)

introduce in PR: Dynamically generate compatibility test files (#7547)

These documents may need to have these links removed, or the document descriptions adjusted. I'm not very familiar with the background, or it might be more appropriate for you to modify them.

[damiannolan]

👍🏻