[BugFix] Fix forced batch-size in _skip_tensordict

ghstack-source-id: dac84e8
Pull Request resolved: #2808

Author: Vincent Moens

torchrl/envs/common.py

@@ -1967,7 +1967,6 @@ def select_and_clone(name, x, y):
             select_and_clone,
             next_tensordict,
             device=next_tensordict.device,
-            batch_size=next_tensordict.batch_size,
             default=None,
             filter_empty=True,
             is_leaf=_is_leaf_nontensor,