[5.2] Remove wrong class in cancel link in add verification code frontend page

[MacJoom]

Pull Request for Issue #44472

Summary of Changes

Remove wrong class in cancel link

Testing Instructions

See Issue #44472 - Apply Patch for fix

Actual result BEFORE applying this Pull Request

Cancel link (button) has wrong size

Expected result AFTER applying this Pull Request

Correct size

Link to documentations

Please select:

• [ ] Documentation link for docs.joomla.org:

• [x] No documentation changes for docs.joomla.org needed

• [ ] Pull Request link for manual.joomla.org:

• [x] No documentation changes for manual.joomla.org needed

[fgsw]

I have tested this item :white_check_mark: successfully on fcf3e71caa447d1f773cf9f6bb4b559bc024e680

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/44473.}

[tecpromotion]

I have tested this item :white_check_mark: successfully on fcf3e71caa447d1f773cf9f6bb4b559bc024e680

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/44473.}

[tecpromotion]

RTC

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/44473.}