As of Unity version 2019.3.0, removing the "Made with Unity" branding from the splash screen for free is possible. To remove the branding in this version, follow these steps:
1. Open your Unity project.
2. Go to Edit → Project Settings → Player.
3. In the Player settings window, navigate to the "Splash Image" section.
4. Uncheck the "Show Unity Splash Screen" checkbox.
5. Check the "Use Default" checkbox next to the "Splash Screen" option.
6. Ensure that the "Made with Unity" checkbox is unchecked.
By following these steps, you will disable the Unity splash screen, including the "Made with Unity" branding, for your specific version of Unity.
Please note that these steps are accurate as of Unity version 2019.3.0, and Unity may introduce changes in future versions. Therefore, it's essential to consult the official Unity documentation or Unity forums for up-to-date instructions specific to your version of Unity.