Remove unused markdown link in README
@@ -828,8 +828,6 @@ ADB=/path/to/adb scrcpy
To override the path of the `scrcpy-server` file, configure its path in
`SCRCPY_SERVER_PATH`.
-[useful]: https://github.com/Genymobile/scrcpy/issues/278#issuecomment-429330345
-
To override the icon, configure its path in `SCRCPY_ICON_PATH`.
