AutoTest: Remove scan filter capability

The scan filter capability had been added to avoid long
scans in bigger projects.
Nowadays the scans are done multi-threaded and the
filtering is probably barely used.

Change-Id: I7d99f5a57bb10deb3d79510db0c7a06bd771c271
Reviewed-by: André Hartmann <aha_1980@gmx.de>
Reviewed-by: David Schulz <david.schulz@qt.io>
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@qt.io>

src/plugins/autotest/testsettings.h

@@ -47,12 +47,10 @@ struct TestSettings
     bool omitRunConfigWarn = false;
     bool limitResultOutput = true;
     bool autoScroll = true;
-    bool filterScan = false;
     bool processArgs = false;
     bool displayApplication = false;
     QHash<Core::Id, bool> frameworks;
     QHash<Core::Id, bool> frameworksGrouping;
-    QStringList whiteListFilters;
 };
 
 } // namespace Internal