Remove device ID from getDevice call

don't use my test device in demo script

Author: tpoint75

demos/Demo_Imaging_PTU.py

@@ -7,7 +7,7 @@
 if __name__ == "__main__":
 
     sn = snAPI()
-    sn.getDevice("1000509")
+    sn.getDevice()
     sn.initDevice(MeasMode.T2)
 
     sn.loadIniConfig(r"config\HH500.ini")