Make some model removals way more efficient

app/classes/models/management.py

@@ -264,8 +264,7 @@ class HelpersManagement:
 
     @staticmethod
     def delete_scheduled_task(schedule_id):
-        sch = Schedules.get(Schedules.schedule_id == schedule_id)
-        return Schedules.delete_instance(sch)
+        return Schedules.delete().where(Schedules.schedule_id == schedule_id).execute()
 
     @staticmethod
     def update_scheduled_task(schedule_id, updates):

app/classes/models/roles.py

@@ -64,9 +64,7 @@ class HelperRoles:
         return Roles.update(up_data).where(Roles.role_id == role_id).execute()
 
     def remove_role(self, role_id):
-        with self.database.atomic():
-            role = Roles.get(Roles.role_id == role_id)
-            return role.delete_instance()
+        return Roles.delete().where(Roles.role_id == role_id).execute()
 
     @staticmethod
     def role_id_exists(role_id):

app/classes/models/servers.py

@@ -128,7 +128,6 @@ class HelperServers:
         return server_obj.save()
 
     def remove_server(self, server_id):
-        with self.database.atomic():
         Servers.delete().where(Servers.server_id == server_id).execute()
 
     @staticmethod

app/classes/models/users.py

@@ -224,8 +224,7 @@ class HelperUsers:
     def remove_user(self, user_id):
         with self.database.atomic():
             UserRoles.delete().where(UserRoles.user_id == user_id).execute()
-            user = Users.get(Users.user_id == user_id)
-            return user.delete_instance()
+            Users.delete().where(Users.user_id == user_id).execute()
 
     @staticmethod
     def set_support_path(user_id, support_path):