TruthD3PDAnalysis: Remove old/unused code.

Remove old/unused code.

This merge request affects 1 package:

• PhysicsAnalysis/D3PDMaker/TruthD3PDAnalysis

This merge request affects 4 files:

• PhysicsAnalysis/D3PDMaker/TruthD3PDAnalysis/python/AllTruthFilterTool.py
• PhysicsAnalysis/D3PDMaker/TruthD3PDAnalysis/python/GenObjectsFilterTool.py
• PhysicsAnalysis/D3PDMaker/TruthD3PDAnalysis/python/NullTruthFilterTool.py
• PhysicsAnalysis/D3PDMaker/TruthD3PDAnalysis/python/StableChargedTruthFilterTool.py

added Analysis main review-pending-level-1 labels

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

CI Result SUCCESS (hash 120634c0)

	Athena
externals
cmake
make
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
For experts only: Jenkins output [CI-MERGE-REQUEST-EL9 3037]

merged

mentioned in commit bf1f4457