Remove unused code

Assets/Scripts/FishController.cs

@@ -12,11 +12,9 @@ public class FishController : MonoBehaviour
     public Vector3 drag;
 
     CharacterController controller;
-    Transform t;
 
     void Start()
     {
-        t = transform;
         controller = GetComponent<CharacterController>();
     }
 
@@ -37,7 +35,6 @@ public class FishController : MonoBehaviour
         }
 
         velocity.x = moveX * speed;
-        // velocity.z = moveZ * speed;
         velocity.y += moveGravity;
 
         transform.Rotate(0, moveZ, 0);