gnu: qt: Update to 5.11.0.

* gnu/packages/qt.scm (qtbase, qtsvg, qtimageformats, qtx11extras,
qtxmlpatterns, qtdeclarative, qtconnectivity, qtwebsockets, qtsensors,
qtmultimedia, qtwayland, qtserialport, qtserialbus, qtwebchannel,
qtlocation, qttools, qtscript, qtquickcontrols, qtquickcontrols2,
qtgraphicaleffects, qtgamepad, qtscxml, qtpurchasing, qtcanvas3d,
qtcharts, qtdatavis3d, qtnetworkauth, qtremoteobjects, qtspeech):
Update to 5.11.0.
[source]: Update source uri.
(qtbase)[source]: Don't remove bundled sqlite.
[inputs]: Remove sqlite.
[arguments]: Use 'invoke'. Use bundled sqlite.
(qtsvg, qtmultimedia, qtcanvas3d)[arguments]: Use 'invoke'.
(qtremoteobjects)[arguments]: Skip new integration test.