Add flag to enable/disable Trigger navigation slimming

Add a flag to enable/disable the trigger navigation slimming. This should help for MT jobs to disable the use of the TrigDecisionTool (ATR-18627).

This merge request affects 1 package:

• Trigger/TriggerCommon/TriggerJobOpts

added Trigger master review-pending-level-1 labels

CI Result SUCCESS

	Athena	AthSimulation
externals
cmake
make
required tests
optional tests

Full details available at NICOS MR-23375-2019-05-13-20-09
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST 38377]

mentioned in commit e60ebbe1

merged

added sweep:ignore label