This reverts commit e6a83775.

* add ppsmrt, test=document_fix

* fix picodet cfg, test=document_fix

* add rcnn & picodet, test=document_fix

* rename battery dataset

* add faster rcnn

* update README, test=document_fix

* add data analysis, test=document_fix

* add faster r101, test=document_fix

* update issue template, test=document_fix

* update template, test=document_fix

* add chinese label, test=document_fix

* yaml support no constructor

* fix yaml constructor in eval & export

* fix typo

* revert config

* add assign_on_cpu on postprocess

* add gpu check

* refine device when assign on cpu

Remove duplicate description and fix typo

* fix kpt doc error

* add pdparams links

* Fix some typos in *.md.

* Fix some typos in code.

* Update README_cn.md

* Update README_cn.md

* Update README_en.md

* update doc, test=document_fix

* update doc, test=document_fix

* update changelog, test=document_fix

* update readme model, test=document_fix

* save infer results to file.

* update, for mac temp file

* update func name, fix mem, fix dir

* fix yolox cpp infer

* fix cpp infer order, test=document_fix

* save detection results to file using coco format

* update save docs

* add_en_doc_for_pphuman, test=document_fix

* update link, test=document_fix

* add attr dataset link, test=document_fix

* correct link, test=document_fix

* add dataset links, test=document_fix

* add ai-studio link, test=document_fix

* add yolox doc and configs, test=document_fix

* fix bn and update doc, test=document_fix