remove usage of own TString to QString conversion function
Summary: as pointed out in D13700, the custom function for conversion of taglib string to QString is unsafe and will break if size(wchar) == 4 bytes. Use the function provided by taglib for the conversion to QString.
Reviewers: bruns, mgallien, svuorela
Reviewed By: svuorela
Subscribers: kde-frameworks-devel, Baloo
Tags: Frameworks, Baloo
Differential Revision: https://phabricator.kde.org/D15614