Chart.js: remove unusable horizontalBar type in chart model

Author: duboiss

src/Chartjs/CHANGELOG.md

@@ -6,6 +6,7 @@
     version 3 was added. See the [@symfony/stimulus-bridge CHANGELOG](https://github.com/symfony/stimulus-bridge/blob/main/CHANGELOG.md#300)
     for more details.
 -   Support added for Symfony 6
+-   Upgrade Chart.js to version 3
 
 ## 1.3
 

src/Chartjs/Model/Chart.php

@@ -21,7 +21,6 @@ class Chart
 {
     public const TYPE_LINE = 'line';
     public const TYPE_BAR = 'bar';
-    public const TYPE_BAR_HORIZONTAL = 'horizontalBar';
     public const TYPE_RADAR = 'radar';
     public const TYPE_PIE = 'pie';
     public const TYPE_DOUGHNUT = 'doughnut';