Fix file deletion

CHDataManagement/Model/Settings/AudioPlayerSettings.swift

@@ -51,6 +51,15 @@ final class AudioPlayerSettings: ObservableObject {
               german: german.file,
               english: english.file)
     }
+
+    func remove(_ file: FileResource) {
+        if audioPlayerJsFile == file {
+            audioPlayerJsFile = nil
+        }
+        if audioPlayerCssFile == file {
+            audioPlayerCssFile = nil
+        }
+    }
 }
 
 extension AudioPlayerSettings {