removed sprite renderer in base

Assets/Scripts/Enemy/BaseEnemy.cs

@@ -9,7 +9,6 @@ public class BaseEnemy : MonoBehaviour {
     public float maxMoveDistance = 5f;
     protected float moveDistanceLeft;
     Rigidbody2D body;
-    protected SpriteRenderer sr;
     protected float startMoveTime;
 
     public Transform rightCollisionPos;
@@ -19,7 +18,6 @@ public class BaseEnemy : MonoBehaviour {
     protected virtual void Start()
     {
         body = GetComponent<Rigidbody2D>();
-        sr = GetComponent<SpriteRenderer>();
         startMoveTime = Time.time + .4f;
         moveDistanceLeft = maxMoveDistance;
     }