remove deprecated wandb env var (#2751)

* remove deprecated wandb env var

* remove os.environ wandb setting; unused loggers

* remove os.environ wandb setting; unused loggers

tests/e2e/multigpu/patched/test_sp.py

@@ -1,6 +1,5 @@
 """E2E tests for sequence parallelism"""
 
-import os
 from pathlib import Path
 
 import pytest
@@ -12,8 +11,6 @@ from axolotl.utils.dict import DictDefault
 
 from ...utils import check_tensorboard
 
-os.environ["WANDB_DISABLED"] = "true"
-
 
 class TestSequenceParallelism:
     """Test case for training with sequence parallelism enabled"""