Use the same performance benchmark tests for all languages

[hsluoyz]

See: casbin/casbin#1049

If Casbin-CPP has any difference in benchmark tests, align them to the Golang version.

[casbin-bot]

@EmperorYP7 @divy9881 @noob20000405 @sheny1xuan

[hsluoyz]

@cs1137195420

[cs1137195420]

@cs1137195420

I'll try to work on it.