light switch: Remove newinfobadge for light switch (#43300)

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fix/what does it change/how was it tested (even manually, if necessary)?
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## Summary of the Pull Request
Remove new tag for light switch

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## PR Checklist

- [ ] Closes: #xxx
- [ ] **Communication:** I've discussed this with core contributors
already. If the work hasn't been agreed, this work might be rejected
- [ ] **Tests:** Added/updated and all pass
- [ ] **Localization:** All end-user-facing strings can be localized
- [ ] **Dev docs:** Added/updated
- [ ] **New binaries:** Added on the required places
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and link it here: #xxx

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## Detailed Description of the Pull Request / Additional comments

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src/settings-ui/Settings.UI/SettingsXAML/Views/ShellPage.xaml

@@ -179,9 +179,6 @@
                     AutomationProperties.AutomationId="SystemToolsNavItem"
                     Icon="{ui:BitmapIcon Source=/Assets/Settings/Icons/SystemTools.png}"
                     SelectsOnInvoked="False">
-                    <NavigationViewItem.InfoBadge>
-                        <InfoBadge Style="{StaticResource NewInfoBadge}" />
-                    </NavigationViewItem.InfoBadge>
                     <NavigationViewItem.MenuItems>
                         <NavigationViewItem
                             x:Name="AdvancedPasteNavigationItem"
@@ -212,11 +209,7 @@
                             x:Uid="Shell_LightSwitch"
                             helpers:NavHelper.NavigateTo="views:LightSwitchPage"
                             AutomationProperties.AutomationId="LightSwitchNavItem"
-                            Icon="{ui:BitmapIcon Source=/Assets/Settings/Icons/LightSwitch.png}">
+                            Icon="{ui:BitmapIcon Source=/Assets/Settings/Icons/LightSwitch.png}" />
-                            <NavigationViewItem.InfoBadge>
-                                <InfoBadge Style="{StaticResource NewInfoBadge}" />
-                            </NavigationViewItem.InfoBadge>
-                        </NavigationViewItem>
                         <NavigationViewItem
                             x:Name="PowerLauncherNavigationItem"
                             x:Uid="Shell_PowerLauncher"