How to disable errors in the console?

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I want to get rid of errors in the console like this one:

UnassignedReferenceException: The variable leftFlame of 'TurretControl' has not been assigned.
You probably need to assign the leftFlame variable of the TurretControl script in the inspector.
TurretControl.Awake () (at Assets/Scripts/TurretControl.js:12)

I want to see print outputs instead of errors.

Script:

//Turret control script

var target : Transform;
var range = 10.0;
var leftFlame: GameObject;
var rightFlame : GameObject;

static var mode = "idle";

function Awake()
{
    target = GameObject.FindWithTag("Player").transform;
    leftFlame.renderer.enabled = false;
    rightFlame.renderer.enabled = false;
}

function Update () 
{
    if(target && CanAttackTarget())
    {
        //transform.LookAt(target);
        var targetRotation = Quaternion.LookRotation(target.position - transform.position, Vector3.up);
        transform.rotation = Quaternion.Slerp(transform.rotation, targetRotation, Time.deltaTime * 1.2);
    }
}

function CanAttackTarget()
{ 
    //check if the target is close enough
    if(Vector3.Distance(transform.position, target.position) > range)
    {
        Disengage();
        return false;
    }

    var hit : RaycastHit;

    //check if there is collision inbetween turrent and target
    if(Physics.Linecast(transform.position, target.position, hit))
    {
        if(hit.collider.gameObject.tag != "Player")
        {
            Disengage();
            return false;
        }
        else
        {
            Attack();
            return true;
        }
    }
    return true;
}

function Attack()
{
    if(mode != "attack")
    {
        InvokeRepeating("FalconAnimate", 2, 0.05);
        mode = "attack";
    }
}

function Disengage()
{
    if(mode != "idle")
    {
        CancelInvoke();
        mode = "idle";
        leftFlame.renderer.enabled = false;
        rightFlame.renderer.enabled = false;
    }
}

function FalconAnimate()
{
    if(leftFlame && rightFlame)
    {
        if(leftFlame.renderer.enabled)
        {
            leftFlame.renderer.enabled = false;
            rightFlame.renderer.enabled = true;
        }
        else
        {
            leftFlame.renderer.enabled = true;
            rightFlame.renderer.enabled = false;
        }
    }
    else
    {
        print("Effects on turrent not set!");
    }
}

You shouldn't just ignore errors. Do what the error tells you to and it will go away.