Removing Multicompany title from header

Hello to everyone,
I would like to remove multicompany text from the title of the header but can not.
Ttitle shows title @ dolibar version + multicompany text and I really can not find the correct file to edit it.
Current Dolibar version is 12.0.3
If anyone can help me I will be appreciate


This is related to external module.
You should ask the developer of the module