Removed entropy term (#1)

Author: aarunsrinivas5

stable_baselines3/rsppo/rsppo.py

@@ -255,7 +255,7 @@ def train(self) -> None:
 
                 entropy_losses.append(entropy_loss.item())
 
-                loss = policy_loss + self.ent_coef * entropy_loss + self.vf_coef * value_loss
+                loss = policy_loss + self.vf_coef * value_loss
 
                 # Calculate approximate form of reverse KL Divergence for early stopping
                 # see issue #417: https://github.com/DLR-RM/stable-baselines3/issues/417