PM-25075 [Remove - Step 1] Flagged logic from clients/server and clients notification-refresh feature flag (#16113)

* PM-25075 wip parking work

* remove flag from enums and add fade out

* fix tests

* remove flags from enum file after merge conflict re introduced

* remove dead code paths

* change naming back to bgUnlockPopoutOpened

libs/common/src/enums/feature-flag.enum.ts

@@ -18,7 +18,6 @@ export enum FeatureFlag {
   PM14938_BrowserExtensionLoginApproval = "pm-14938-browser-extension-login-approvals",
 
   /* Autofill */
-  NotificationRefresh = "notification-refresh",
   MacOsNativeCredentialSync = "macos-native-credential-sync",
   WindowsDesktopAutotype = "windows-desktop-autotype",
 
@@ -75,7 +74,6 @@ export const DefaultFeatureFlagValue = {
   [FeatureFlag.CollectionVaultRefactor]: FALSE,
 
   /* Autofill */
-  [FeatureFlag.NotificationRefresh]: FALSE,
   [FeatureFlag.MacOsNativeCredentialSync]: FALSE,
   [FeatureFlag.WindowsDesktopAutotype]: FALSE,