Disable TRTNN for PID for now , reprocessing. autopep8/flake8 aesthetic fixes

• Disable TRTNN as default for now/reprocessing (at least until furhter update @jmaurer )
• autopep8/flake8 aesthetic fixes

Reconstruction/egamma/egammaAlgs/python/EMBremCollectionBuilder.py

-# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
+# Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
 
 __doc__ = """ToolFactory to instantiate  egammaBremCollectionBuilder
 with default configuration"""
@@ -73,7 +73,7 @@ class egammaBremCollectionBuilder (egammaAlgsConf.EMBremCollectionBuilder):
             GSFBuildTRT_ElectronPidTool = (
                 TrackingCommon.getInDetTRT_ElectronPidTool(
                     name="GSFBuildTRT_ElectronPidTool",
-                    CalculateNNPid=True,
+                    CalculateNNPid=False,
                     MinimumTrackPtForNNPid=0.,
                     private=True))