manager: Optimize susfs management,

- solve some problems caused by new versions not taking effect

manager/app/src/main/res/values-ja/strings.xml

@@ -392,7 +392,6 @@
     <string name="susfs_tab_path_settings">パスの設定</string>
     <string name="susfs_tab_enabled_features">有効な機能のステータス</string>
     <!-- SuSFS Dialog Actions -->
-    <string name="susfs_add">追加</string>
     <!-- SuSFS Path Management -->
     <string name="susfs_add_sus_path">SUS パスを追加</string>
     <string name="susfs_add_sus_mount">SUS マウントを追加</string>