Small scale cleanup of old egammaTools config

...n/egamma/egammaMVACalib/python/egammaMVACalibFactories.py

...truction/egamma/egammaTools/python/EMTrackMatchBuilder.py

...truction/egamma/egammaTools/python/egammaExtrapolators.py

...ruction/egamma/egammaTools/python/egammaOQFlagsBuilder.py

...ruction/egamma/egammaTools/python/egammaToolsFactories.py

...amma/egammaTrackTools/python/egammaTrackToolsFactories.py