remove obsolete builder for mplayer2, it is stalled, and replaced with mpv

git-svn-id: https://rebeccablackos.svn.sourceforge.net/svnroot/rebeccablackos@2467 56e3d1a8-0179-4092-b3e2-9fbbcda0c0a9
Temporary rekonq fix for issues with kf5-solid. 

git-svn-id: https://rebeccablackos.svn.sourceforge.net/svnroot/rebeccablackos@2468 56e3d1a8-0179-4092-b3e2-9fbbcda0c0a9
Try to silence networkmanager on the console

git-svn-id: https://rebeccablackos.svn.sourceforge.net/svnroot/rebeccablackos@2469 56e3d1a8-0179-4092-b3e2-9fbbcda0c0a9
Quiet NetworkManager on the console for real

git-svn-id: https://rebeccablackos.svn.sourceforge.net/svnroot/rebeccablackos@2470 56e3d1a8-0179-4092-b3e2-9fbbcda0c0a9