FIX: typo fix in help section in en.json

[kartiksprajapati]

Fix typo in the help section of en.json

Fixes

Fixes #476 by @Xaid-vfx

Description

This PR request will fix the typo in FAQs section of chooser website. Remove bracket before the full stop in modal section of WHAT ARE CREATIVE COMMONS LICENSES?

Technical details

Tests

Checklist

• My pull request has a descriptive title (not a vague title like Update index.md).
• My pull request targets the default branch of the repository (main or master).
• My commit messages follow best practices.
• My code follows the established code style of the repository.
• I added or updated tests for the changes I made (if applicable).
• I added or updated documentation (if applicable).
• I tried running the project locally and verified that there are no
  visible errors.

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Developer Certificate of Origin

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[Cronus1007]

@kartiksprajapati thanks for your interest to contribute on this project but the issue hasn't been approved. Please contribute on such issues which are labelled as status: ready for work.
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