qmljs: remove remaining references to QtQuick1

This patch removes all references to QtQuick1 in qml library,
plugin, designer, profiler and tests.

Change-Id: Ie286fad96060299caae3ef328330597cf53e90d3
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>

src/plugins/qmlprofiler/qmlprofilermodelmanager.cpp

@@ -411,9 +411,6 @@ static QString getInitialDetails(const QmlEventType &event)
                     details.startsWith(QLatin1String("qrc:/")))
                 details = details.mid(details.lastIndexOf(QLatin1Char('/')) + 1);
         }
-    } else if (event.rangeType() == Painting) {
-        // QtQuick1 animations always run in GUI thread.
-        details = QmlProfilerModelManager::tr("GUI Thread");
     }
 
     return details;