Update dom/src/main/scala/org/scalajs/dom/MathMLElement.scala

Co-authored-by: zetashift <rskaraya@gmail.com>

Author: Quafadas

dom/src/main/scala/org/scalajs/dom/MathMLElement.scala

@@ -38,7 +38,6 @@ abstract class MathMLElement extends Element {
   var style: String = js.native
   var tabindex: Int = js.native
 
-  /** https://w3c.github.io/mathml-core/#other-valid-attributes */
 
   var intent: String = js.native
   var arg: String = js.native