[web] Rename Audio Files to Files only

For consistency with the rest of the pages, the "Audio Files" setting is renamed "Files"

web-src/src/locales/de.json

@@ -455,7 +455,7 @@
       "general": {
         "album-lists": "Album-Listen",
         "audiobooks": "Hörbücher",
-        "files": "Audiodateien",
+        "files": "Dateien",
         "language": "Sprache",
         "music": "Musik",
         "navigation-item-selection-info": "Wenn mehr Dateien ausgewählt werden, als der Bildschirm anzeigen kann, verschwindet das Burger-Menü.",

web-src/src/locales/en.json

@@ -455,7 +455,7 @@
       "general": {
         "album-lists": "Album Lists",
         "audiobooks": "Audiobooks",
-        "files": "Audio Files",
+        "files": "Files",
         "language": "Language",
         "music": "Music",
         "navigation-item-selection-info": "If you select more items than can be shown on your screen then the burger menu will disappear.",

web-src/src/locales/fr.json

@@ -455,7 +455,7 @@
       "general": {
         "album-lists": "Listes d’album",
         "audiobooks": "Livres audio",
-        "files": "Fichiers audio",
+        "files": "Fichiers",
         "language": "Langue",
         "music": "Musique",
         "navigation-item-selection-info": "Si vous sélectionnez plus d’éléments que ce qui peut être affiché sur votre écran, le menu disparaîtra.",