Revert "feat: Add security model signals for User, Role, and Group CRUD operations (#2432)"

This reverts commit ca5bdfd.

Author: dpgaspar

flask_appbuilder/const.py

@@ -85,24 +85,8 @@
 """ User added, format with username """
 LOGMSG_INF_SEC_UPD_USER = "Updated user %s"
 """ User updated, format with username """
-LOGMSG_INF_SEC_DEL_USER = "Deleted user %s"
-""" User deleted, format with user id """
-LOGMSG_ERR_SEC_DEL_USER = "Error deleting user: %s"
-""" Error deleting user, format with err message """
 LOGMSG_INF_SEC_UPD_ROLE = "Updated role %s"
 """ Role updated, format with role name """
-LOGMSG_INF_SEC_DEL_ROLE = "Deleted role %s"
-""" Role deleted, format with role id """
-LOGMSG_ERR_SEC_DEL_ROLE = "Error deleting role: %s"
-""" Error deleting role, format with err message """
-LOGMSG_INF_SEC_ADD_GROUP = "Added group %s"
-""" Group added, format with group name """
-LOGMSG_INF_SEC_UPD_GROUP = "Updated group %s"
-""" Group updated, format with group name """
-LOGMSG_INF_SEC_DEL_GROUP = "Deleted group %s"
-""" Group deleted, format with group id """
-LOGMSG_ERR_SEC_DEL_GROUP = "Error deleting group: %s"
-""" Error deleting group, format with err message """
 LOGMSG_ERR_SEC_UPD_ROLE = "An error occurred updating role %s"
 """ Role updated Error, format with role name """