Sub: Fix merge error affecting pressure sensor.

ArduSub/system.cpp

@@ -253,11 +253,6 @@ void Sub::init_ardupilot()
 	// read Baro pressure at ground
 	//-----------------------------
 	init_barometer(true);
-    if(barometer.num_instances() > 1) {
-    //We have an external MS58XX pressure sensor connected
-    	barometer.set_type(1, BARO_TYPE_WATER); //Altitude (depth) is calculated differently underwater 
-    	barometer.set_precision_multiplier(1, 10); //The MS58XX values reported need to be multiplied by 10 to match units everywhere else
-    }
 
     // initialise sonar
 #if CONFIG_SONAR == ENABLED