Don't activate qml debugging just because of qml file

20 lines above we actually search for qml libraries in the .pro/.pri file.
Do not overwrite this just based on the fact that there are QML files listed
somewhere in the project.

Change-Id: I01ea4304d98e40fca690d5bf3ce3f3de0543c82d
Reviewed-by: Eike Ziller <eike.ziller@theqtcompany.com>
Reviewed-by: Fawzi Mohamed <fawzi.mohamed@digia.com>

src/plugins/qmakeprojectmanager/qmakeproject.cpp

@@ -653,8 +653,6 @@ void QmakeProject::updateQmlJSCodeModel()
     projectInfo.activeResourceFiles.removeDuplicates();
     projectInfo.allResourceFiles.removeDuplicates();
 
-    setProjectLanguage(ProjectExplorer::Constants::LANG_QMLJS, !projectInfo.sourceFiles.isEmpty());
-
     modelManager->updateProjectInfo(projectInfo, this);
 }