cleanup code to handle list of hypos in the HLT menuSequence (and fix ATR-21963)

This is a planned cleanup of the CF/menu code. We already removed all cases of multiple Hypos in the MenuSequences, since this is option not in the design anymore. Now the obsolete code can be removed.

Trigger/TrigSteer/DecisionHandling/python/EmuStepProcessingConfig.py

@@ -59,8 +59,7 @@ def generateEmuMenu():
     log = logging.getLogger('EmuMenuTest')
     log.debug("generateEmuMenu")
 
-    # overwrite LS2_v1 menu
-    TriggerFlags.triggerMenuSetup = 'LS2_v1'
+    # overwrite LS2_v1 
     LS2_v1.setupMenu = LS2_emu_v1.setupMenu
 
     # switch on only TestSlice