xAODMissingET: Remove unneeded thread annotation.

Remove unneeded thread annotation.

This merge request affects 1 package:

• Event/xAOD/xAODMissingET

Adding @akraszna as watcher

added EDM JetEtmiss master review-pending-level-1 labels

CI Result SUCCESS (hash 7ed9ac8c)

	Athena	AthSimulation	AthGeneration	AnalysisBase
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
AthGeneration: number of compilation errors 0, warnings 0
AnalysisBase: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 21493]

merged

mentioned in commit ef9edc95

added sweep:ignore label