Refactor FXIOS-13527 [Nimbus] Homepage rebuild and privacy UI by default in release (#29396)

turn on homepage rebuild and redesign by default

Author: adudenamedruby

firefox-ios/nimbus-features/feltPrivacyFeature.yaml

@@ -6,7 +6,7 @@ features:
       simplified-ui-enabled:
         description: If true, enable simplified UI part of Felt Privacy
         type: Boolean
-        default: false
+        default: true
       felt-deletion-enabled:
         description: If true, enable Felt Deletion part of Felt Privacy
         type: Boolean
@@ -21,4 +21,3 @@ features:
         value:
           simplified-ui-enabled: true
           felt-deletion-enabled: false
-

firefox-ios/nimbus-features/homepageRebuildFeature.yaml

@@ -8,7 +8,7 @@ features:
         description: >
           If true, enables the feature
         type: Boolean
-        default: false
+        default: true
     defaults:
       - channel: beta
         value: