Remove wandblogger (#89)

* Update main.py

* Update main.py

* Update main.py

Author: ydcjeff

templates/gan/main.py

@@ -11,7 +11,6 @@
 import torch
 from config import get_default_parser
 from datasets import get_datasets
-from ignite.contrib.handlers.wandb_logger import WandBLogger
 from ignite.engine.events import Events
 from ignite.utils import manual_seed
 from torchvision import utils as vutils

templates/image_classification/main.py

@@ -9,7 +9,6 @@
 import ignite.distributed as idist
 from config import get_default_parser
 from datasets import get_datasets
-from ignite.contrib.handlers.wandb_logger import WandBLogger
 from ignite.engine.events import Events
 from ignite.metrics import Accuracy, Loss
 from ignite.utils import manual_seed

templates/single/main.py

@@ -9,7 +9,6 @@
 import ignite.distributed as idist
 from config import get_default_parser
 from datasets import get_datasets
-from ignite.contrib.handlers.wandb_logger import WandBLogger
 from ignite.engine.events import Events
 from ignite.utils import manual_seed
 from trainers import TrainEvents, create_trainers