Remove a redundant comment

service2.js

@@ -147,8 +147,6 @@ class BesService {
   onScroll() {
     // Scroll panel is "position: absolute", we need to keep it aligned with the host element.
     this.scrollPanel.style.top = `${-this.hostElement.scrollTop}px`
-
-    // Why do we need to set left to -scrollLeft? It destroys the position of highlights
     this.scrollPanel.style.left = `${-this.hostElement.scrollLeft}px`
   }