Deprecation: #69535 - Deprecate \TYPO3\CMS\Fluid\ViewHelpers\Be\Buttons\IconViewHelper 

See forge#69535

Description 

\TYPO3\CMS\Fluid\ViewHelpers\Be\Buttons\IconViewHelper has been marked as deprecated.

Impact 

The view helper should not be used any longer and will be removed with TYPO3 CMS 8.

Affected Installations 

Extensions which use the view helper.

Migration 

Use the core icon viewhelper \TYPO3\CMS\Core\ViewHelpers\IconViewHelper instead.

Example: Instead of <f:be.buttons.icon icon="apps-pagetree-collapse" /> use <core:icon identifier="apps-pagetree-collapse" />