[ATR-19881] Remove DS from list of valid options for what is (currently) a MC setup
At present, legacy PhysVal over a MT AOD still cannot load the L1 configuration.
Fixed by removing DB from the list of allowed sources.
Before:
14:20:37 0x818a480#Trig::TrigDecisionTool/ToolSvc.TrigDe... INFO Initializing Trig::TrigDecisionTool (standalone version even for athena)
14:20:37 0x818a480#Trig::TrigDecisionTool/ToolSvc.TrigDe...WARNING Configuration for the item: L1_EM3 not known
14:20:37 0x818a480#Trig::TrigDecisionTool/ToolSvc.TrigDe...WARNING Configuration for the item: L1_J20 not known
14:20:37 0x818a480#Trig::TrigDecisionTool/ToolSvc.TrigDe...WARNING Configuration for the item: L1_EM7 not known
...
After:
14:12:14 0x7088480#Trig::TrigDecisionTool/ToolSvc.TrigDe... INFO Initializing Trig::TrigDecisionTool (standalone version even for athena)
14:12:14 0x7088480#Trig::TrigDecisionTool/ToolSvc.TrigDe... INFO Initialized TDT