* delete function

* fix bug

* update name

* fix bug in strategy

* update name

* update name

* fix test

* fix fleet bind

* update name

* update name

* fix test

* fix gpups wrapper

* remove Push/Pull/Load/Save with context in client and wrapper base class

* fix

* fix
Co-authored-by: Nesythan <esythan@126.com>

* modify api name of ps accessor

* update

* code format

* change to new api in ssync mode

* fix

* fix

* fix

* fix

* trainer and worker

* delete commonsparsetable from gpups

* delete vlog

* codestyle

* delete communicator from gpups