No longer pause FilePlayer when stopping
No longer pause FilePlayer when stopping

It doesn't seem to be necessary any more, and causes an unwanted onPause callback when switching players
This reverts commit d345f033160258699c98526100ddcd8529f284b3

SkinyMonkey/react-player,SkinyMonkey/react-player,CookPete/react-player,CookPete/react-player