Bug 1709310 - [devTools] Remove backward compatibility code for reconfigureSupportsSimulationFeatures r=ochameau

Depends on D114223

Differential Revision: https://phabricator.services.mozilla.com/D114224

devtools/client/inspector/rules/rules.js

@@ -503,16 +503,10 @@ CssRuleView.prototype = {
   },
 
   /**
-   * Initializes the content-viewer front and enable the print and color scheme simulation
-   * if they are supported in the current target.
+   * Enables the print and color scheme simulation if they are supported in the
+   * current target.
    */
   async _initSimulationFeatures() {
-    // @backward-compat { version 87 } Print & color scheme simulations should
-    // now be set using updateConfiguration (formerly target::reconfigure).
-    if (!this.currentTarget.getTrait("reconfigureSupportsSimulationFeatures")) {
-      return;
-    }
-
     if (!this.currentTarget.chrome) {
       this.printSimulationButton.removeAttribute("hidden");
       this.printSimulationButton.addEventListener(

devtools/server/actors/targets/browsing-context.js

@@ -557,9 +557,6 @@ const browsingContextTargetPrototype = {
         // @backward-compat { version 64 } Exposes a new trait to help identify
         // BrowsingContextActor's inherited actors from the client side.
         isBrowsingContext: true,
-        // @backward-compat { version 87 } Print & color scheme simulations
-        // should now be set using reconfigure.
-        reconfigureSupportsSimulationFeatures: true,
         // Browsing context targets can compute the isTopLevelTarget flag on the
         // server. But other target actors don't support this yet. See Bug 1709314.
         supportsTopLevelTargetFlag: true,