uim: disable qt support

NixOS#174634 removed qt4 but enabled
the (previosly disabled) qt5, breaking the build.

Disable QT5 again by disabling qt all together.

pkgs/tools/inputmethods/uim/default.nix

@@ -6,7 +6,7 @@
 , withGtk ? true
 , withGtk2 ? withGtk, gtk2 ? null
 , withGtk3 ? withGtk, gtk3 ? null
-, withQt ? true
+, withQt ? false # qt5 is broken and qt4 removed -> No qt support possible
 , withQt5 ? withQt, qt5 ? null
 , withLibnotify ? true, libnotify ? null
 , withSqlite ? true, sqlite ? null