* [Feature-#3828][server] Delete recipients and CCs in the process definition and select the associated alert group instead
* The specific alarm instance associated with the alert group
* The process definition only associates the alert group, and does not care about the specific alarm instance.
this closes#3828
* remove test cc
* remove test cc
* fix test error
* add sql upgrade script
delete alert column(show_type、alert_type、re、cc)
* code style
* update test
Note the statement to delete the column, and provide related instructions
* delete AlertGroup field(alert_type)
* fix ut error
* fix ut error
* fix ut error
* code style
* delete api-doc receiverCC
* delete UserAlertGroupMapper
* delete UserAlertGroup
* delete UserAlertGroupApi
* alert group add coulmn user_id
* alter user_id to create_user_id
* userinfo remove alert group info