misc:runstat/profit: optimise code according to symbols' functionnalities

Rename some symbols according to their functionalities. This aims to optimise
the code to reduce the confusions.

Signed-off-by: Zhengwang Ruan <ruan.zhengwang@gmail.com>
misc:runstat/profit: rename BusinessProfitRegress to BusinessWin

Rename BusinessProfitRegress to BusinessWin and update related symbols since it
only works to count the business win statistics.

Signed-off-by: Zhengwang Ruan <ruan.zhengwang@gmail.com>
misc:runstat/profit: rename OrderRegress to OrderWin

Rename OrderRegress to OrderWin and update related symbols since it only works
to count the order win statistics.

Signed-off-by: Zhengwang Ruan <ruan.zhengwang@gmail.com>