airplay/chromecast: remove unneeded startServer() calls

renderer/index.js

@@ -530,7 +530,6 @@ function deleteTorrent (torrentSummary) {
 
 function openChromecast (infoHash) {
   var torrentSummary = getTorrentSummary(infoHash)
-  startServer(infoHash, function () {
   state.devices.chromecast.play(state.server.networkURL, {
     title: config.APP_NAME + ' — ' + torrentSummary.name
   })
@@ -539,16 +538,13 @@ function openChromecast (infoHash) {
     onError(err)
   })
   update()
-  })
 }
 
 function openAirplay (infoHash) {
-  startServer(infoHash, function () {
   state.devices.airplay.play(state.server.networkURL, 0, function () {
     // TODO: handle airplay errors
   })
   update()
-  })
 }
 
 // Set window dimensions to match video dimensions or fill the screen