refactor(cmsui): remove redundant comments

Author: richardbenedikt

packages/cmsui/styles/cmsui.css

@@ -161,21 +161,14 @@
 
 @import './utilities.css';
 
-/* Control-panel pages: a horizontal gutter so content never sits flush against
-   the viewport edge once the toolbar + max-width leave no room to center. */
 .route-controlpanel {
   padding-inline: 1.5rem;
 }
 
-/* Add-ons control panel + control-panel overview: Metropolis font + page
-   typography. Unlayered so these win over the (layered) basic theme + Tailwind
-   utilities. */
 .route-addons {
   font-family: 'Metropolis', sans-serif;
 }
 
-/* Shared page title — the add-ons page and the control-panel overview use the
-   identical design, so the two selectors share one rule. */
 .route-addons .addons-title,
 .cp-overview .cp-title {
   margin-top: 50px;