MD5ER tool for MacOS cannot be used

The old MD5ER tool is not signed so MacOS rejects it entirely. 

Please remove all mention of it. Mac refuses to allow it to run, even with an override in the **System Settings > Security & Privacy** section with the "Open Anyway" option.

<img width="456" height="412" alt="Image" src="https://github.com/user-attachments/assets/80f8481f-52bf-4243-82c1-3280ba0cdc16" />