Remove nb_cols from dataset file

Closes #67 (closed)

dan/manager/training.py

@@ -1111,11 +1111,7 @@ class Manager(OCRManager):
         ):
             error_rate = self.params["training_params"]["teacher_forcing_error_rate"]
             simulated_y_pred, y_len = self.add_label_noise(y, y_len, error_rate)
-<<<<<<< HEAD
-        elif "teacher_forcing_scheduler" in self.params["training_params"]:
-=======
         elif "label_noise_scheduler" in self.params["training_params"]:
->>>>>>> a26125a566274af201dc6d210a3e2283141b74e7
             error_rate = (
                 self.params["training_params"]["label_noise_scheduler"][
                     "min_error_rate"