smbldap-userdel man page
smbldap-userdel — Delete a user account and related files
smbldap-userdel [-r] login
The smbldap-userdel command modifies the system account files, deleting all entries that refer to user defined in "login". The named user must exist.
-r Files in the user's home directory will be removed along with the home directory itself. Files located in other file systems will have to be searched for and deleted manually.