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

* fix

* fix ac demo

* fix quant_post ce seed

* fix quant_post ce seed

quant aware with infer model

* add rv1109 quant aware training

* quant post hyper param search

* quant post hyper param search
Co-authored-by: Nitminner <397809320@example.com>
Co-authored-by: Nwhs <wanghaoshuang@baidu.com>
Co-authored-by: Nceci3 <ceci3@users.noreply.github.com>

* add trt/x86cpu deploy doc

* fix bug

* code fix

* fix dataloader

* Add TRT deploy

* code clean

* doc refine

* migrate quant code to paddle2.0

* fix quant unittest

* fix demo

* add adaptive pact threshold matching

* update readme

* fix coverage

* fix coverage

* Make unitest support for Paddle2.0 API.

* Fix demo in static mode

* Remove unused lines

* Fix demo of darts