TrkNeuralNetworkUtils: Fix cppcheck warnings.

Fix cppcheck warnings and clean up some naming convention violations.

This merge request affects 1 package:

• Tracking/TrkUtilityPackages/TrkNeuralNetworkUtils

This merge request affects 3 files:

• Tracking/TrkUtilityPackages/TrkNeuralNetworkUtils/TrkNeuralNetworkUtils/TTrainedNetwork.h
• Tracking/TrkUtilityPackages/TrkNeuralNetworkUtils/src/TTrainedNetwork.cxx
• Tracking/TrkUtilityPackages/TrkNeuralNetworkUtils/src/TargetBuffer_t.h

Adding @amorley as watcher

added Tracking master review-pending-level-1 labels

CI Result SUCCESS (hash ebbc3e6e)

	Athena	AthSimulation	AthGeneration	AnalysisBase	AthAnalysis	DetCommon
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view. Check the JIRA CI status board for known problems
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
AthAnalysis: number of compilation errors 0, warnings 0
DetCommon: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 52889]

mentioned in commit c49822a8

merged

added sweep:ignore label