IOVSvc: Remove a dependency on old EventInfo.

IOVSvcTool::handle was doing a SG retrieve of old EventInfo to find eventID data. Change to using the EventContext delivered via the incident. (Relies on the event loop setting up the context properly.)

This merge request affects 1 package:

• Control/IOVSvc

Adding @ssnyder ,@rbianchi as watchers

added Core master review-pending-level-1 labels

This merge request affects 1 package:

• Control/IOVSvc

Adding @ssnyder ,@rbianchi as watchers

CI Result SUCCESS

	Athena	AthSimulation
externals
cmake
make
required tests
optional tests

Full details available at NICOS MR-21188-2019-02-17-01-46
Athena: number of compilation errors 0, warnings 1
AthSimulation: number of compilation errors 0, warnings 1
For experts only: Jenkins output [CI-MERGE-REQUEST 33973]

Clear, approving.

 Pavol [as L2 MR shifter]

added review-approved label and removed review-pending-level-1 label

merged

mentioned in commit bbabea99

added sweep:ignore label