Remove RPi hacks that are not necessary on SDL 2.0.11

app/streaming/session.cpp

@@ -462,6 +462,7 @@ bool Session::initialize()
         break;
     }
 
+#if !SDL_VERSION_ATLEAST(2, 0, 11)
     // HACK: Using a full-screen window breaks mouse capture on the Pi's LXDE
     // GUI environment. Force the session to use windowed mode (which won't
     // really matter anyway because the MMAL renderer always draws full-screen).
@@ -470,6 +471,7 @@ bool Session::initialize()
                     "Forcing windowed mode on LXDE-Pi");
         m_FullScreenFlag = 0;
     }
+#endif
 
     // Check for validation errors/warnings and emit
     // signals for them, if appropriate