add cooldown config

update optimizer

fix ParamAttr & update  test_tipc

fix tipc

update tipc config

remove docs of `_make_divisible`

refactor the implementation of "no weight decay"

fix model name

remove cooldown config

This reverts commit 376d83d4.

This reverts commit 284e2a67.

This reverts commit a38e42f6.

This reverts commit 187f38eb.

This reverts commit c30df630.

1. rm Global.eval_mode
2. add Global.task
3. mv type_name to ppcls.utils
4. build dataloader, loss, metric by mode

https://github.com/PaddlePaddle/PaddleClas/pull/2633

* fix single card logit

* fix distillation yaml files