README: Drop unsupported examples.

Now that the Prime Hub has BLE support, it works the same on all hubs. USB is not currently used on Prime Hub.

Addresses #24

Author: laurensvalk

README.md

@@ -120,15 +120,13 @@ firmware.
     #
     # ble connection examples:
     #
-
-    # Run a one-liner on a Pybricks hub
-    pybricksdev run ble "print('Hello!'); print('world!');"
+    
+    # Run script on any Pybricks device
+    pybricksdev run ble demo/shortdemo.py
 
     # Run script on the first device we find called Pybricks hub
     pybricksdev run ble --name "Pybricks Hub" demo/shortdemo.py
 
-    # Run script on device with address 90:84:2B:4A:2B:75 (doesn't work on Mac)
-    pybricksdev run ble --name 90:84:2B:4A:2B:75 demo/shortdemo.py
 
     #
     # Other connection examples:
@@ -137,9 +135,6 @@ firmware.
     # Run script on ev3dev at 192.168.0.102
     pybricksdev run ssh --name 192.168.0.102 demo/shortdemo.py
 
-    # Run script on primehub at
-    pybricksdev run usb --name "Pybricks Hub" demo/shortdemo.py
-
 
 ### Compiling Pybricks MicroPython programs without running