Remove the workflow for building an ubuntu 14.04 Docker image. This is no longer needed since the AppImage is now built on 16.04. Signed-off-by: Michael Keller <github@ike.ch>
Remove the workflow for building an ubuntu 14.04 Docker image. This is no longer needed since the AppImage is now built on 16.04. Signed-off-by: Michael Keller <github@ike.ch>