Remove outdated st2actions README
Remove outdated st2actions README

StackStorm/st2,StackStorm/st2,Plexxi/st2,Plexxi/st2,Plexxi/st2,nzlosh/st2,nzlosh/st2,nzlosh/st2,StackStorm/st2,StackStorm/st2,nzlosh/st2,Plexxi/st2