1. Remove fluid
2. Remove unused codes
2.1 remove adabert
2.2 remove ddpg controller of NAS
2.3 remove paddleslim.models
2.4 Remove PC-DARTS

* Fixed naming conflicts and fc layer quantification

* Update fine_tune.py

* Update readme

* Add automatic region division and Fix pre-tensor quant

* Update unit test file

* Fix bugs.
Co-authored-by: Nzhouzj <41366441+zzjjay@users.noreply.github.com>

* Solve the 'oom' problem of QDrop.

* Fix syntax.