localization: remove duplicated keys in de_DE

Signed-off-by: leo <[email protected]>

Author: love-linger

src/Resources/Locales/de_DE.axaml

@@ -585,7 +585,6 @@
   <x:String x:Key="Text.Repository.HistoriesOrder.Topo" xml:space="preserve">Topologie</x:String>
   <x:String x:Key="Text.Repository.LocalBranches" xml:space="preserve">LOKALE BRANCHES</x:String>
   <x:String x:Key="Text.Repository.NavigateToCurrentHead" xml:space="preserve">Zum HEAD wechseln</x:String>
-  <x:String x:Key="Text.Repository.FirstParentFilterToggle" xml:space="preserve">Aktiviere '--first-parent' Option</x:String>
   <x:String x:Key="Text.Repository.NewBranch" xml:space="preserve">Erstelle Branch</x:String>
   <x:String x:Key="Text.Repository.OnlyHighlightCurrentBranchInHistories" xml:space="preserve">Nur aktuellen Branch im Graphen hervorheben</x:String>
   <x:String x:Key="Text.Repository.OpenIn" xml:space="preserve">Öffne in {0}</x:String>