How to remove the solution
From Planfix
You can delete the configuration in Account Management / Configuration:
'IMPORTANT:' Only the owner or administrator of the account can delete configurations.
Select the one you want to delete from the list of installed configurations.
Then click on "Delete configuration"
В дальнейшем, вы сможете повторно установить конфигурацию при необходимости.
In the future, you can the configuration if necessary.