Remove dashName from all languages but English

As per request, seems this was not required. Only English

public/locales/de/modules/dashdot.json

@@ -4,9 +4,6 @@
     "description": "Zeigt die Graphen einer externen Dash.-Instanz innerhalb von Homarr an.",
     "settings": {
       "title": "Einstellungen für Dash. Widget",
-      "dashName": {
-        "label": "Dash. Name"
-      },
       "url": {
         "label": "Dash. URL"
       },