Upgrade API for 1.7
* PaddleRec/din
* PaddleRec/gnn

* Revert "add check version (#3530)"

This reverts commit 2a167ec9.

* Revert "Upgrade API for gnn (#3503)"

This reverts commit 80b01801.

* Revert "upgrade API for DIN (#3499)"

This reverts commit 734812c3.

use all data
network:
    support variable batch_size
    add some shape comment
infer:
    use pyreader

* use py_reader and support multi-card training

* update README

* Shift up fluid models

* Update nlp submodules

* Add redirect guide in org readme

* Move HiNAS_models to AutoDL