Translations update from Weblate (#465)

* Update translation files

Updated by "Remove blank strings" hook in Weblate.

Translation: Decky/Decky
Translate-URL: https://weblate.werwolv.net/projects/decky/decky/

* Added translation using Weblate (German)

* Update translation files

Updated by "Remove blank strings" hook in Weblate.

Translation: Decky/Decky
Translate-URL: https://weblate.werwolv.net/projects/decky/decky/

* Update translation files

Updated by "Remove blank strings" hook in Weblate.

Translation: Decky/Decky
Translate-URL: https://weblate.werwolv.net/projects/decky/decky/

* Update translation files

Updated by "Remove blank strings" hook in Weblate.

Translation: Decky/Decky
Translate-URL: https://weblate.werwolv.net/projects/decky/decky/

* Update translation files

Updated by "Remove blank strings" hook in Weblate.

Translation: Decky/Decky
Translate-URL: https://weblate.werwolv.net/projects/decky/decky/

* Update translation files

Updated by "Remove blank strings" hook in Weblate.

Translation: Decky/Decky
Translate-URL: https://weblate.werwolv.net/projects/decky/decky/

* Update translation files

Updated by "Remove blank strings" hook in Weblate.

Translation: Decky/Decky
Translate-URL: https://weblate.werwolv.net/projects/decky/decky/

* Update translation files

Updated by "Remove blank strings" hook in Weblate.

Translation: Decky/Decky
Translate-URL: https://weblate.werwolv.net/projects/decky/decky/

---------

Co-authored-by: Weblate <noreply@weblate.org>
Co-authored-by: DarkSide1305 <darkside1305@web.de>

backend/locales/de-DE.json

@@ -0,0 +1 @@
+{}

backend/locales/el-GR.json

@@ -1,6 +1,5 @@
 {
     "SettingsDeveloperIndex": {
-        "header": "",
         "react_devtools": {
             "desc": "Επιτρέπει την σύνδεση με υπολογιστή που τρέχει React DevTools. Η αλλαγή αυτής της ρύθμισης θα προκαλέσει επαναφόρτωση του Steam. Ωρίστε την διεύθυνση IP πριν την ενεργοποιήσετε.",
             "ip_label": "IP",

backend/locales/es-ES.json

@@ -1,6 +1,5 @@
 {
     "SettingsDeveloperIndex": {
-        "header": "",
         "third_party_plugins": {
             "button_install": "Instalar",
             "button_zip": "Navegar"

backend/locales/fr-FR.json

@@ -1,6 +1,5 @@
 {
     "SettingsDeveloperIndex": {
-        "header": "",
         "react_devtools": {
             "desc": "Permet la connexion à un ordinateur exécutant React DevTools. Changer ce paramètre rechargera Steam. Définissez l'adresse IP avant l'activation.",
             "ip_label": "IP",

backend/locales/sq-AL.json

@@ -1,6 +1,5 @@
 {
     "SettingsDeveloperIndex": {
-        "header": "",
         "react_devtools": {
             "ip_label": "IP",
             "label": "Aktivizo React DevTools"