Translations update from Weblate (#645)

Co-authored-by: Anonymous <noreply@weblate.org>
Co-authored-by: elliotfontaine <elliot.fontaine@gmail.com>
Co-authored-by: Meiton <michal.salati@gmail.com>
Co-authored-by: Andrew <www.andru90@gmail.com>
Co-authored-by: Eryk Pawlikowski <eryk5188@gmail.com>

backend/decky_loader/locales/cs-CZ.json

@@ -114,7 +114,6 @@
         "uninstall": "Odinstalovat",
         "update_all_one": "Aktualizovat 1 plugin",
         "update_all_few": "Aktualizovat {{count}} pluginů",
-        "update_all_many": "",
         "update_all_other": "Aktualizovat {{count}} pluginů",
         "update_to": "Aktualizovat na {{name}}"
     },
@@ -142,7 +141,6 @@
     "PluginView": {
         "hidden_one": "1 plugin je v tomto seznamu skrytý",
         "hidden_few": "{{count}} pluginů je v tomto seznamu skryto",
-        "hidden_many": "",
         "hidden_other": "{{count}} pluginů je v tomto seznamu skryto"
     },
     "RemoteDebugging": {
@@ -255,11 +253,7 @@
         }
     },
     "Testing": {
-        "download": "Stáhnout",
-        "error": "",
-        "header": "",
-        "loading": "",
-        "start_download_toast": ""
+        "download": "Stáhnout"
     },
     "TitleView": {
         "decky_store_desc": "Otevřít obchod Decky",