Remove Makefiles

For now makefiles doesn't maintaining by team, outdated. Builddesktop and
bb use cmake. Remove old makefiles to avoid misunderstand of other team
members

Open-webOS-DCO-1.0-Signed-off-by: Maksym Sditanov <msditanov@luxoft.com>

Change-Id: I2f9b6c39b4724dec83b36e3246a2792b5e7cb6eb