* Stop trying to copy the MSVC runtime with windeployqt. It isn't needed for private installs and for full installs it is already handled (removes warning about VCINSTALLDIR).
* Don't copy translations and QtQuick-import.
* Set verbosity to 0. This removes some useful messages about which libraries are copied, but also removes many useless warnings. The default verbosity of 1 leaves them all in. It doesn't appear very fine grained.