Remove the fixed delay for starting the connection

The StreamSegue already handles delaying to allow the warnings to be visible.

app/streaming/session.cpp

@@ -1553,10 +1553,6 @@ public:
 // Called in a non-main thread
 bool Session::startConnectionAsync()
 {
-    // Wait 1.5 seconds before connecting to let the user
-    // have time to read any messages present on the segue
-    SDL_Delay(1500);
-
     // The UI should have ensured the old game was already quit
     // if we decide to stream a different game.
     Q_ASSERT(m_Computer->currentGameId == 0 ||