No. If you choose to upload a logo with your Shortcut, the image will be sent each time you use the Shortcut feature to send a message.
If you want to remove the logo on a case-by-case basis, you can simply press the backspace (after you have added the Shortcut into the text box) to delete the logo from the message prior to sending.
If you wish to remove the logo from the Shortcut altogether, visit our article 'How to set up, create, edit and delete Shortcuts
Questions? Submit a request.