remove roleid from Permission model

models/permissions.go

@@ -4,7 +4,6 @@ type Permission struct {
 	PermissionId int    `db:"PermissionId"`
 	Description  string `db:"Description"`
 	ReadOnly     bool   `db:"ReadOnly"`
-	RoleId       int    `db:"RoleId"`
 	SafeId       int    `db:"SafeId"`
 	UserId       int    `db:"UserId"`
 	GroupId      int    `db:"GroupId"`