* move inplace_apis_indygraph_only from paddle.flud.dygraph.inplace_utils to paddle.utils

* modify conflict

* modify conflict

* modify conflict

* modify conflict

* modify conflict

* modify conflict

* modify conflict

* modify static-check ci error

* fix conflict

* modify failed tests

* fix conflict

* fix conflict

* fix pool2d examples

* modify conflict

* fix failed tests

* fix conflict

* fix failed tests

* modfiy problem of deleting pool2d

* support Ninja in setup.py

* support different cmake_generators

* modify after reviewed

* delete unused denotes