[web] Remove comment about dart:html migration (#42290)

mdebbar · web-flow · commit 9ba461efd3fe · 2023-05-24T20:35:15.000Z
Migration has already happened in [this PR](https://github.com/flutter/engine/pull/33370/files#diff-30cfc07b03caec6d1c915b40a9e50a23d1f1a1c54c670d5996199d805b077daeR213) so the comment is not relevant anymore.
diff --git a/lib/web_ui/lib/src/engine/text/ruler.dart b/lib/web_ui/lib/src/engine/text/ruler.dart
@@ -212,8 +212,6 @@ class TextHeightRuler {
 
     _dimensions.appendToHost(host);
 
-    // [rulerHost] is not migrated yet so add a cast to [html.HtmlElement].
-    // This cast will be removed after the migration is complete.
     rulerHost.addElement(host);
     return host;
   }

Original file line number	Diff line number	Diff line change
`@@ -212,8 +212,6 @@ class TextHeightRuler {`
`212`	`212`
`213`	`213`	`_dimensions.appendToHost(host);`
`214`	`214`
`215`		`- // [rulerHost] is not migrated yet so add a cast to [html.HtmlElement].`
`216`		`- // This cast will be removed after the migration is complete.`
`217`	`215`	`rulerHost.addElement(host);`
`218`	`216`	`return host;`
`219`	`217`	`}`