docs(htmlchart): update patterns article (#711)

Author: P1l3T0

controls/htmlchart/appearance-and-styling/patterns.md

@@ -40,8 +40,6 @@ Several pattern types can be used to enhance the visual presentation of the Char
 
 The following examples showcases how to add Patterns to a Bar chart where each series uses a different pattern, allowing users to easily differentiate between them.
 
-> note In order to use the patterns, you will need to set the `RenderAs` property of the Chart to **Canvas**.
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 ### In the Markup
 
 ````ASP.NET