For #18312: Do not update secure flag on pausing logins fragments.

The flags are already properly set for activity and thus for other fragments.

app/src/main/java/org/mozilla/fenix/ext/Fragment.kt

@@ -13,7 +13,6 @@ import androidx.navigation.NavOptions
 import androidx.navigation.fragment.NavHostFragment.findNavController
 import androidx.navigation.fragment.findNavController
 import mozilla.components.concept.base.crash.Breadcrumb
-import org.mozilla.fenix.HomeActivity
 import org.mozilla.fenix.NavHostActivity
 import org.mozilla.fenix.R
 import org.mozilla.fenix.components.Components
@@ -66,7 +65,6 @@ fun Fragment.hideToolbar() {
  *
  */
 fun Fragment.redirectToReAuth(destinations: List<Int>, currentDestination: Int?) {
-    (activity as? HomeActivity)?.updateSecureWindowFlags()
     if (currentDestination !in destinations) {
         findNavController().popBackStack(R.id.savedLoginsAuthFragment, false)
     }