fix: fix unused strings

[ValeraFinebits]

Issue

Related to #302

Description

Fix unused strings.

Other Information

Pull Request Checklist

Please check if your pull request fulfills the following requirements:

• The pull request is named according to the format: <type>(optional scope): <description>
• The pull request is associated with a GitHub issue. Note: if possible use the automatic close keywords
• The pull request is labeled
• Affected platforms are labeled
• Commits follow the Conventional Commits specification
• There are no difficult to understand places left without comments
• The changes do not generate new warnings

Note

Types of pull requests

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• fix - bug fixes
• test - adding or correcting tests
• perf - changes that improve performance
• refactor - simple rewriting or restructuring of code without adding new features or fixing bugs
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• build - changes related to the build of the project and dependencies
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• chore - something that doesn't fit the other possible types

Pull request labels

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• type/style - pull requests that change code styles
• type/test - pull requests that add or correct tests
• ignore-for-release - for pull requests that do not need to be appeared in release notes

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A pull request appears in the release notes if it has one of the labels: type/breaking-change, type/feature, type/fix, type/localization, type/performance

Affected platforms labels

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• platform/wasm - pull requests that are related to the WebAssembly platform
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