TriggerJobOpts+RecExCommon: cleanup trigger BS reco

Delete the obsolete `BStoESD_Tier0_HLTConfig_jobOptions.py`. There was
essentially no difference anymore to the `T0TriggerGetter`, which it
also called, apart from setting the `Trigger.readBS` flag.

Reconstruction/RecExample/RecExCommon/share/RecExCommon_topOptions.py

@@ -551,18 +551,10 @@ if not globalflags.InputFormat.is_bytestream():
 
 if rec.doTrigger:
     if globalflags.DataSource() == 'data' and globalflags.InputFormat == 'bytestream':
-        try:
-            include("TriggerJobOpts/BStoESD_Tier0_HLTConfig_jobOptions.py")
-        except Exception:
-            treatException("Could not import TriggerJobOpts/BStoESD_Tier0_HLTConfig_jobOptions.py . Switching trigger off !" )
-            rec.doTrigger = False
-    else:
-        try:
-            from TriggerJobOpts.T0TriggerGetter import T0TriggerGetter
-            triggerGetter = T0TriggerGetter()
-        except Exception:
-            treatException("Could not import TriggerJobOpts.T0TriggerGetter . Switched off !" )
-            rec.doTrigger = False
+        ConfigFlags.Trigger.readBS = True
+
+    from TriggerJobOpts.T0TriggerGetter import T0TriggerGetter
+    triggerGetter = T0TriggerGetter()
 
     # ESDtoAOD Run-3 Trigger Outputs: Don't run any trigger - only pass the HLT contents from ESD to AOD
     if rec.readESD() and rec.doAOD():

Trigger/TriggerCommon/TriggerJobOpts/share/BStoESD_Tier0_HLTConfig_jobOptions.py

-# Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
-##############################################################
-# BStoESD_Tier0_HLTConfig_jobOptions.py
-# For DATA reconstruction
-##############################################################
-
-# Configuration depends on TriggerFlags.configForStartup():
-#   HLToffline       : HLT is ran offline, configuration is read from JSON files
-#   HLTonline        : Normal running, everything is taken from COOL
-
-from RecExConfig.RecFlags import rec
-from TriggerJobOpts.TriggerFlags import TriggerFlags as tf
-from AthenaConfiguration.AllConfigFlags import ConfigFlags
-from AthenaCommon.AppMgr import ServiceMgr
-from AthenaCommon.Include import include
-
-from AthenaCommon.Logging import logging
-_log = logging.getLogger("BStoESD_Tier0_HLTConfig_jobOptions.py")
-_log.info("TriggerFlag.configForStartup = %s", tf.configForStartup())
-
-assertMsg = 'This file is meant for Trigger configuration in RAWtoESD/RAWtoALL data reconstruction.'
-assert rec.doTrigger(), assertMsg + ' Since rec.doTrigger is disabled, this file should not be included.'
-
-# First check if HLT psk is ok, if not, turn trigger off.
-if tf.configForStartup() != 'HLToffline':
-    include( "TriggerJobOpts/TriggerConfigCheckHLTpsk.py" )
-
-if rec.doTrigger():
-    
-    # configure the HLT config
-    if not hasattr( ServiceMgr, "ByteStreamAddressProviderSvc" ):
-        from ByteStreamCnvSvcBase. ByteStreamCnvSvcBaseConf import ByteStreamAddressProviderSvc
-        ServiceMgr += ByteStreamAddressProviderSvc()
-
-    ConfigFlags.Trigger.readBS = True
-    tf.doHLT= False # needed to not rerun the trigger
-
-    from TriggerJobOpts.TriggerConfigGetter import TriggerConfigGetter
-    cfg = TriggerConfigGetter()
-
-    from TriggerJobOpts.T0TriggerGetter import T0TriggerGetter
-    triggerGetter = T0TriggerGetter()
-
-    if rec.doWriteBS():
-        include( "ByteStreamCnvSvc/RDP_ByteStream_jobOptions.py" )
-
-del _log
-## end of configure the HLT config