Utils: Drop Utils::SkipEmptyParts again

We require Qt 5.14 nowadays.

Change-Id: Iff245257d3cb19207007c0445ee13814e66152dd
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/cpptools/cppfilesettingspage.cpp

@@ -308,7 +308,7 @@ void CppFileSettingsWidget::setLicenseTemplatePath(const QString &lp)
 static QStringList trimmedPaths(const QString &paths)
 {
     QStringList res;
-    foreach (const QString &path, paths.split(QLatin1Char(','), Utils::SkipEmptyParts))
+    foreach (const QString &path, paths.split(QLatin1Char(','), Qt::SkipEmptyParts))
         res << path.trimmed();
     return res;
 }