What type of PR is this?

Uncomment only one  /kind <> line, hit enter to put that in a new line, and remove leading whitespaces from that line:

/kind feature

What does this PR do / why do we need it:
add a parameter in CheckpointConfig class, to config whether integrated saving.
remove the code for the featue support auto integrated saving for manual mode parallel

Which issue(s) this PR fixes: