Shorten system language string in translations

romfs/lang/de.json

@@ -180,7 +180,7 @@
         "language": {
             "title": "Wähle Awoo Installer Sprache",
             "desc": "Die Software wird danach beendet. Drücke B um den Vorgang abzubrechen.",
-            "system_language": "System Standard"
+            "system_language": "System"
         },
         "title": "Ändere Awoo Installer Einstellungen!",
         "buttons": "\ue0e0 Auswählen/Ändern    \ue0e1 Abbrechen "

romfs/lang/en.json

@@ -180,7 +180,7 @@
         "language": {
             "title": "Select Awoo Installer's language",
             "desc": "The software will be closed after changing languages. Press B to cancel.",
-            "system_language": "System default"
+            "system_language": "System"
         },
         "title": "Change Awoo Installer's settings!",
         "buttons": "\ue0e0 Select/Change    \ue0e1 Cancel"

romfs/lang/it.json

@@ -180,7 +180,7 @@
         "language": {
             "title": "Seleziona la lingua di Awoo Installer",
             "desc": "Il software verrà chiuso dopo aver cambiato la lingua. Premi B per annullare.",
-            "system_language": "Default di sistema"
+            "system_language": "Sistema"
         },
         "title": "Cambia le impostazioni di Awoo Installer!",
         "buttons": "\ue0e0 Seleziona/Cambia    \ue0e1 Annulla"

romfs/lang/jp.json

@@ -180,7 +180,7 @@
         "language": {
             "title": "Awoo Installerの言語を選択",
             "desc": "言語を変更した後、ソフトウェアは閉じられます。 Bを押してキャンセルします。",
-            "system_language": "システムのデフォルト"
+            "system_language": "システム"
         },
         "title": "Awoo Installerの設定を変更する",
         "buttons": "\ue0e0 選択/変更    \ue0e1 キャンセル"