Examples: Remove loading of *.xml files from Qt demos/examples dir

Not sure what this code path did originally, but since at least
Qt 4.8.0 examples, demos manifest files are only in doc.

Change-Id: I6edf1f712fc06d290edf0fe978a6635966084e60
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>

src/plugins/qtsupport/exampleslistmodel.cpp

@@ -502,8 +502,6 @@ QStringList ExamplesListModel::exampleSources(QString *examplesInstallPath, QStr
     if (size > 0)
         return sources;
 
-    const QStringList pattern(QLatin1String("*.xml"));
-
     foreach (BaseQtVersion *version, qtVersions()) {
         //filter for qt versions
         if (version->uniqueId() != m_uniqueQtId && m_uniqueQtId != noQtVersionsId)
@@ -527,14 +525,6 @@ QStringList ExamplesListModel::exampleSources(QString *examplesInstallPath, QStr
                 *demosInstallPath = version->demosPath();
             return sources;
         }
-
-        fis << QDir(version->examplesPath()).entryInfoList(pattern);
-        fis << QDir(version->demosPath()).entryInfoList(pattern);
-        if (!fis.isEmpty()) {
-            foreach (const QFileInfo &fi, fis)
-                sources.append(fi.filePath());
-            return sources;
-        }
     }
 
     return sources;