Circumvent deprecated before breakage on macOS within KNotifications by...

Circumvent deprecated before breakage on macOS within KNotifications by removing that requirement until it can be fixed properly.
This is a Craft level patch, so the proper patch still needs to go into knotifications, but at the very least this should hopefully let us get the Binary Factory up and running again.

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CCMAIL: montel@kde.org
CCMAIL: kde-frameworks-devel@kde.org