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Vlad Zahorodnii authored
Summary: The function was introduced in 2d99ef91. It's not used anywhere plus we don't need it anymore because AbstractClient::isActiveFullscreen checks main clients. Test Plan: Compiles. Reviewers: #kwin, davidedmundson Reviewed By: #kwin, davidedmundson Subscribers: kwin Tags: #kwin Differential Revision: https://phabricator.kde.org/D16022
d95b6548