mplayer2: drop omapfb patch and support, this can be applied from bsp layer if needed

* example of working omapfb patch and optimizations is in
  meta-smartphone layer
  http://git.shr-project.org/git/?p=meta-smartphone.git;a=commit;h=483afbee82869a0b2dacadc4b9580c47dcb59d26



Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>