I have a problem with probably caching when I install/enable new extensions which should add custom tabs to the product edit page it never does even when I disable modules with custom tabs on the product edit page they never disappear. One extension support told me that it could be some kind of CDN problem but I couldn't figure out it. Could anyone help? thanks.
This is product attributes and its not depend on extension status.so,do below things for remove it from product form.
In Admin Panel(Backend) go to Store -> Attributes -> Attribute Set -> Your attribute set eg. 'Default'.
and remove attributes which is no longer required -(which was created when you installed extension).
after save attribute set please run below command for indexing
php bin/magento indexer:reindex