Remove code from #11552

Author: carmocca

pytorch_lightning/loops/epoch/training_epoch_loop.py

@@ -490,11 +490,6 @@ def _should_check_val_fx(self, batch_idx: int, is_last_batch: bool) -> bool:
 
         # TODO(@awaelchli): let training/eval loop handle logic around limit_*_batches and val_check_batch
         is_val_check_batch = is_last_batch
-
-        # while restarting with no fault-tolerant, batch_progress.current.ready is -1
-        if batch_idx == -1:
-            return False
-
         if isinstance(self.trainer.limit_train_batches, int) and is_infinite_dataset:
             is_val_check_batch = (batch_idx + 1) % self.trainer.limit_train_batches == 0
         elif self.trainer.val_check_batch != float("inf"):