revert seedRandom

model/MicroBit.cpp

@@ -202,22 +202,7 @@ int MicroBit::init()
     }
 
     // Seed our random number generator
-    if(ble_running())
-    {
-        // Readings from different sensors
-        int16_t accelerometerX = accelerometer.getX();
-        int16_t accelerometerY = accelerometer.getY();
-        int16_t accelerometerZ = accelerometer.getZ();
-        int16_t temperatureValue = thermometer.getTemperature();
-        int16_t microphoneValue = audio.getVolume();
-        // Combine sensor values using XOR
-        uint32_t r = accelerometerX ^ accelerometerY ^ accelerometerZ ^ temperatureValue ^ microphoneValue;
-        seedRandom(r);
-    }
-    else
-    {
-        seedRandom();
-    }
+    seedRandom();
 
     // Create an event handler to trap any handlers being created for I2C services.
     // We do this to enable initialisation of those services only when they're used,