remove teacher_forcing_error_rate

dan/manager/training.py

@@ -1086,14 +1086,7 @@ class Manager(OCRManager):
         reduced_size = [s[:2] for s in batch_data["imgs_reduced_shape"]]
         y_len = batch_data["labels_len"]
 
-        # add errors in teacher forcing
-        if (
-            "teacher_forcing_error_rate" in self.params["training_params"]
-            and self.params["training_params"]["teacher_forcing_error_rate"] is not None
-        ):
-            error_rate = self.params["training_params"]["teacher_forcing_error_rate"]
-            simulated_y_pred, y_len = self.add_label_noise(y, y_len, error_rate)
-        elif "label_noise_scheduler" in self.params["training_params"]:
+        if "label_noise_scheduler" in self.params["training_params"]:
             error_rate = (
                 self.params["training_params"]["label_noise_scheduler"][
                     "min_error_rate"