Update docstring for the JaccardLoss

Author: likyoo

change_detection_pytorch/losses/jaccard.py

@@ -30,8 +30,7 @@ def __init__(
             log_loss: If True, loss computed as `- log(jaccard_coeff)`, otherwise `1 - jaccard_coeff`
             from_logits: If True, assumes input is raw logits
             smooth: Smoothness constant for dice coefficient
-            ignore_index: Label that indicates ignored pixels (does not contribute to loss)
-            eps: A small epsilon for numerical stability to avoid zero division error 
+            eps: A small epsilon for numerical stability to avoid zero division error
                 (denominator will be always greater or equal to eps)
 
         Shape