I18n: Add German (#57397)

public/locales/de-DE/grafana.json

@@ -2,11 +2,7 @@
   "_comment": "Do not manually edit this file. Translations must be made in Crowdin which will sync them back into this file",
   "common": {
     "locale": {
-      "default": "Standard",
-      "en-US": "Englisch",
-      "es-ES": "Spanisch",
-      "fr-FR": "Französisch",
-      "zh-Hans": "Chinesisch (vereinfacht)"
+      "default": "Standard"
     },
     "save": "Speichern"
   },

public/locales/i18next-parser.config.js

@@ -2,7 +2,7 @@ module.exports = {
   // Default namespace used in your i18next config
   defaultNamespace: 'grafana',
 
-  locales: ['en-US', 'fr-FR', 'es-ES', "zh-Hans", 'pseudo-LOCALE'],
+  locales: ['en-US', 'fr-FR', 'es-ES', "de-DE", "zh-Hans", 'pseudo-LOCALE'],
 
   output: './public/locales/$LOCALE/$NAMESPACE.json',