remove unsused translation

Author: reloxx13

resources/lang/de.json

@@ -854,7 +854,6 @@
   "qr:qr_short_text": "Kurzer QR-Text (unter dem Code)",
   "qr:qr_text": "Eigener Hilfetext",
   "qr:qr_url": "URL für QR-Code",
-  "qrScanToDownload": "Zum Herunterladen scannen",
   "qrHelp": "Um das Bild auf Ihr Handy herunterzuladen, verbinden Sie sich mit dem WLAN:",
   "share": "Teilen",
   "viewer_photo_title": "Dein Foto",

resources/lang/en.json

@@ -895,7 +895,6 @@
   "qr:qr_text": "Own help text",
   "qr:qr_url": "URL for QR Code",
   "qrHelp": "To download the picture to your smartphone, connect to the WiFi:",
-  "qrScanToDownload": "Scan to download",
   "really_delete": "Really reset according to your settings? This cannot be undone!",
   "really_delete_image": "will be deleted! This cannot be undone! Really delete picture?",
   "reboot_button": "Reboot",