put new collectibles related preferences behind feature flag (#12936)

ui/pages/settings/experimental-tab/experimental-tab.component.js

@@ -53,6 +53,10 @@ export default class ExperimentalTab extends PureComponent {
   }
 
   renderCollectibleDetectionToggle() {
+    if (!process.env.COLLECTIBLES_V1) {
+      return null;
+    }
+
     const { t } = this.context;
     const {
       useCollectibleDetection,
@@ -93,6 +97,9 @@ export default class ExperimentalTab extends PureComponent {
   }
 
   renderOpenSeaEnabledToggle() {
+    if (!process.env.COLLECTIBLES_V1) {
+      return null;
+    }
     const { t } = this.context;
     const { openSeaEnabled, setOpenSeaEnabled } = this.props;